From d993224fa02ceef1242fb3617a73491663aa015d Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Wed, 1 Oct 2025 11:12:10 +0200
Subject: [PATCH 01/18] Swift 6.2, Sendable conformance, Session actor,
 Injection in testbed

---
 .github/workflows/swift-package.yml           |   2 +-
 .github/workflows/swiftformat.yml             |   2 +-
 .../project.pbxproj                           |  31 ++++-
 EndpointsTestbed/EndpointsTestbed/DI.swift    |  17 +++
 .../EndpointsTestbedApp.swift                 |   4 +
 .../ExampleAsyncReactor/ExampleReactor.swift  |  11 +-
 .../ExampleMVVM/ExampleViewModel.swift        |  11 +-
 .../EndpointsTestbed/Networking/API.swift     |  32 +++++
 .../Networking/HTTPBinClient.swift            |   8 +-
 .../Networking/ManipulatedHTTPBinClient.swift |  18 +--
 .../Networking/PostmanEchoClient.swift        |  10 +-
 EndpointsTestbed/EndpointsTestbed/World.swift |  25 ----
 Package.resolved                              |  20 +++-
 Package.swift                                 |   2 +-
 Sources/Async/AnyClient.swift                 |  11 +-
 Sources/Async/Client.swift                    |  31 ++++-
 Sources/Async/Session.swift                   |  13 ++-
 Sources/Body/Body.swift                       |   2 +-
 .../Body/Multipart/MultipartBodyPart.swift    |   2 +-
 Sources/Convenience/AnyCall.swift             |   2 +-
 Sources/Core/Call.swift                       |   2 +-
 Sources/Core/HTTPMethod.swift                 |   2 +-
 Sources/Core/URLRequestEncodable.swift        |   2 +-
 Sources/Parsing/DataParser.swift              |   2 +-
 .../Parsing/ResponseParser/JSONParser.swift   |  12 +-
 .../ResponseValidator/ResponseValidator.swift |   2 +-
 .../StatusCodeValidator.swift                 |   2 +-
 Sources/Testing/FakeResultProvider.swift      |   2 +-
 Sources/Testing/FakeSession.swift             | 109 +++++++++---------
 29 files changed, 252 insertions(+), 137 deletions(-)
 create mode 100644 EndpointsTestbed/EndpointsTestbed/DI.swift
 create mode 100644 EndpointsTestbed/EndpointsTestbed/Networking/API.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/World.swift

diff --git a/.github/workflows/swift-package.yml b/.github/workflows/swift-package.yml
index d3fe39c..7f493fb 100644
--- a/.github/workflows/swift-package.yml
+++ b/.github/workflows/swift-package.yml
@@ -10,7 +10,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.4.0'
+        xcode-version: '26.0'
     - name: Build
       run: swift build -v
     - name: Run tests
diff --git a/.github/workflows/swiftformat.yml b/.github/workflows/swiftformat.yml
index ca22790..d81f357 100644
--- a/.github/workflows/swiftformat.yml
+++ b/.github/workflows/swiftformat.yml
@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.4.0'
+        xcode-version: '26.0'
     - name: Check SwiftFromat
       run: swift run swiftformat . --lint
 
diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
index 4a42133..4ad6830 100644
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
+++ b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
@@ -19,9 +19,11 @@
 		82BA52F829DEE35D00F7726A /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 82BA52F729DEE35D00F7726A /* Preview Assets.xcassets */; };
 		82BA530229DEE35D00F7726A /* EndpointsTestbedTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82BA530129DEE35D00F7726A /* EndpointsTestbedTests.swift */; };
 		82BA531E29DEE73D00F7726A /* Endpoints in Frameworks */ = {isa = PBXBuildFile; productRef = 82BA531D29DEE73D00F7726A /* Endpoints */; };
-		82E74FFA2AADDF68001A230C /* World.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82E74FF92AADDF68001A230C /* World.swift */; };
 		82E74FFC2AADE042001A230C /* HTTPBinClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82E74FFB2AADE042001A230C /* HTTPBinClient.swift */; };
 		82E74FFE2AADE19A001A230C /* ManipulatedHTTPBinClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */; };
+		FA7846C72E72A94500E4B067 /* API.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA7846C62E72A93900E4B067 /* API.swift */; };
+		FAD06B6B2E8C1C8C00E87155 /* Injection in Frameworks */ = {isa = PBXBuildFile; productRef = FAD06B6A2E8C1C8C00E87155 /* Injection */; };
+		FAD06B6D2E8C1D5800E87155 /* DI.swift in Sources */ = {isa = PBXBuildFile; fileRef = FAD06B6C2E8C1D5600E87155 /* DI.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -48,9 +50,10 @@
 		82BA52FD29DEE35D00F7726A /* EndpointsTestbedTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = EndpointsTestbedTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		82BA530129DEE35D00F7726A /* EndpointsTestbedTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EndpointsTestbedTests.swift; sourceTree = "<group>"; };
 		82BA531B29DEE38000F7726A /* Endpoints */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = Endpoints; path = ..; sourceTree = "<group>"; };
-		82E74FF92AADDF68001A230C /* World.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = World.swift; sourceTree = "<group>"; };
 		82E74FFB2AADE042001A230C /* HTTPBinClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HTTPBinClient.swift; sourceTree = "<group>"; };
 		82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ManipulatedHTTPBinClient.swift; sourceTree = "<group>"; };
+		FA7846C62E72A93900E4B067 /* API.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = API.swift; sourceTree = "<group>"; };
+		FAD06B6C2E8C1D5600E87155 /* DI.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DI.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -58,6 +61,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				FAD06B6B2E8C1C8C00E87155 /* Injection in Frameworks */,
 				8211A84D2AFBDBFD00A36244 /* AsyncReactor in Frameworks */,
 				82BA531E29DEE73D00F7726A /* Endpoints in Frameworks */,
 			);
@@ -95,6 +99,7 @@
 		82B1ABA329E354B0007B23C1 /* Networking */ = {
 			isa = PBXGroup;
 			children = (
+				FA7846C62E72A93900E4B067 /* API.swift */,
 				82B1ABA429E354C0007B23C1 /* PostmanEchoClient.swift */,
 				82E74FFB2AADE042001A230C /* HTTPBinClient.swift */,
 				82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */,
@@ -125,11 +130,11 @@
 		82BA52EF29DEE35C00F7726A /* EndpointsTestbed */ = {
 			isa = PBXGroup;
 			children = (
+				FAD06B6C2E8C1D5600E87155 /* DI.swift */,
 				82B1ABA329E354B0007B23C1 /* Networking */,
 				8211A84A2AFBDBD200A36244 /* ExampleAsyncReactor */,
 				82B1AB9C29E3543C007B23C1 /* ExampleMVVM */,
 				82BA52F029DEE35C00F7726A /* EndpointsTestbedApp.swift */,
-				82E74FF92AADDF68001A230C /* World.swift */,
 				82BA52F429DEE35D00F7726A /* Assets.xcassets */,
 				82BA52F629DEE35D00F7726A /* Preview Content */,
 			);
@@ -186,6 +191,7 @@
 			packageProductDependencies = (
 				82BA531D29DEE73D00F7726A /* Endpoints */,
 				8211A84C2AFBDBFD00A36244 /* AsyncReactor */,
+				FAD06B6A2E8C1C8C00E87155 /* Injection */,
 			);
 			productName = EndpointsTestbed;
 			productReference = 82BA52ED29DEE35C00F7726A /* EndpointsTestbed.app */;
@@ -238,6 +244,7 @@
 			mainGroup = 82BA52E429DEE35C00F7726A;
 			packageReferences = (
 				8211A84B2AFBDBFD00A36244 /* XCRemoteSwiftPackageReference "AsyncReactor" */,
+				FAD06B692E8C1C8C00E87155 /* XCRemoteSwiftPackageReference "Injection" */,
 			);
 			preferredProjectObjectVersion = 77;
 			productRefGroup = 82BA52EE29DEE35C00F7726A /* Products */;
@@ -278,10 +285,11 @@
 				82B1ABA029E35455007B23C1 /* ExampleViewModel.swift in Sources */,
 				82E74FFC2AADE042001A230C /* HTTPBinClient.swift in Sources */,
 				82B1ABA229E35486007B23C1 /* ExampleModel.swift in Sources */,
+				FAD06B6D2E8C1D5800E87155 /* DI.swift in Sources */,
+				FA7846C72E72A94500E4B067 /* API.swift in Sources */,
 				8211A84F2AFBDC1200A36244 /* ExampleReactorView.swift in Sources */,
 				82BA52F129DEE35C00F7726A /* EndpointsTestbedApp.swift in Sources */,
 				82E74FFE2AADE19A001A230C /* ManipulatedHTTPBinClient.swift in Sources */,
-				82E74FFA2AADDF68001A230C /* World.swift in Sources */,
 				82B1AB9E29E3544B007B23C1 /* ExampleView.swift in Sources */,
 				8211A8512AFBDC2000A36244 /* ExampleReactor.swift in Sources */,
 			);
@@ -366,6 +374,7 @@
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_STRICT_CONCURRENCY = complete;
 			};
 			name = Debug;
 		};
@@ -422,6 +431,7 @@
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_STRICT_CONCURRENCY = complete;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -561,6 +571,14 @@
 				minimumVersion = 1.0.0;
 			};
 		};
+		FAD06B692E8C1C8C00E87155 /* XCRemoteSwiftPackageReference "Injection" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/diamirio/Injection";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 1.1.0;
+			};
+		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -573,6 +591,11 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = Endpoints;
 		};
+		FAD06B6A2E8C1C8C00E87155 /* Injection */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = FAD06B692E8C1C8C00E87155 /* XCRemoteSwiftPackageReference "Injection" */;
+			productName = Injection;
+		};
 /* End XCSwiftPackageProductDependency section */
 	};
 	rootObject = 82BA52E529DEE35C00F7726A /* Project object */;
diff --git a/EndpointsTestbed/EndpointsTestbed/DI.swift b/EndpointsTestbed/EndpointsTestbed/DI.swift
new file mode 100644
index 0000000..782ccde
--- /dev/null
+++ b/EndpointsTestbed/EndpointsTestbed/DI.swift
@@ -0,0 +1,17 @@
+import Endpoints
+import Foundation
+import Injection
+
+@MainActor
+enum DI {
+    static func register() {
+        let postmanSession = Session(with: PostmanEchoClient())
+        DependencyInjector.register(postmanSession)
+
+        let httpBinSession = Session(with: HTTPBinClient())
+        DependencyInjector.register(httpBinSession)
+
+        let manipulatedHttpBinSession = Session(with: ManipulatedHTTPBinClient())
+        DependencyInjector.register(manipulatedHttpBinSession)
+    }
+}
diff --git a/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift b/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
index 893c819..310c9a5 100644
--- a/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
+++ b/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
@@ -3,6 +3,10 @@ import SwiftUI
 
 @main
 struct EndpointsTestbedApp: App {
+    init() {
+        DI.register()
+    }
+
     var body: some Scene {
         WindowGroup {
             NavigationStack {
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift b/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
index 1205cd7..54307bc 100644
--- a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
+++ b/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
@@ -1,6 +1,7 @@
 import AsyncReactor
 import Endpoints
 import Foundation
+import Injection
 
 class ExampleReactor: AsyncReactor {
     enum Action {
@@ -14,6 +15,9 @@ class ExampleReactor: AsyncReactor {
     @Published
     private(set) var state = State()
 
+    @Inject
+    var postmanSession: Session<PostmanEchoClient>
+
     func action(_ action: Action) async {
         switch action {
         case .executeRequests:
@@ -23,15 +27,12 @@ class ExampleReactor: AsyncReactor {
 
     private func executeRequest() async {
         do {
-            let (body, response) = try await world.postmanSession.dataTask(
+            let (body, response) = try await postmanSession.dataTask(
                 for: PostmanEchoClient.ExampleGetCall()
             )
 
             guard response.statusCode == 200 else { return }
-
-            await MainActor.run {
-                state.text = body.url
-            }
+            state.text = body.url
         } catch {
             guard let error = error as? EndpointsError else { return }
             print(error.response?.statusCode ?? "")
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift b/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
index ab9cda8..b0d50e4 100644
--- a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
+++ b/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
@@ -1,14 +1,21 @@
 import Endpoints
 import Foundation
+import Injection
 
 @MainActor
 class ExampleViewModel: ObservableObject {
     @Published
     var text: String = ""
 
+    @Inject
+    var postmanSession: Session<PostmanEchoClient>
+
+    @Inject
+    var manipulatedHttpBinSession: Session<ManipulatedHTTPBinClient>
+
     func executeRequests() {
         Task {
-            let (body, response) = try await world.postmanSession.dataTask(
+            let (body, response) = try await postmanSession.dataTask(
                 for: PostmanEchoClient.ExampleGetCall()
             )
             guard response.statusCode == 200 else { return }
@@ -19,7 +26,7 @@ class ExampleViewModel: ObservableObject {
         }
 
         Task {
-            let (_, response) = try await world.manipulatedHttpBinSession.dataTask(
+            let (_, response) = try await manipulatedHttpBinSession.dataTask(
                 for: ManipulatedHTTPBinClient.GetStatusCode(deliveredStatusCode: 220)
             )
             guard response.statusCode == 200 else { return }
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/API.swift b/EndpointsTestbed/EndpointsTestbed/Networking/API.swift
new file mode 100644
index 0000000..bdd8c75
--- /dev/null
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/API.swift
@@ -0,0 +1,32 @@
+//
+//  API.swift
+//  EndpointsTestbed
+//
+//  Created by Alexander Kauer on 11.09.25.
+//
+
+import Endpoints
+import Foundation
+
+actor API {
+    var postmanSession: Session<PostmanEchoClient>
+    var httpBinSession: Session<HTTPBinClient>
+    var manipulatedHttpBinSession: Session<ManipulatedHTTPBinClient>
+
+    init() {
+        let postmanClient = PostmanEchoClient()
+        self.postmanSession = Session(with: postmanClient)
+
+        let httpBinClient = HTTPBinClient()
+        self.httpBinSession = Session(with: httpBinClient)
+
+        let manipulatedHttpBinClient = ManipulatedHTTPBinClient()
+        self.manipulatedHttpBinSession = Session(with: manipulatedHttpBinClient)
+    }
+
+    func loadData() async throws -> (ExampleModel, HTTPURLResponse) {
+        try await postmanSession.dataTask(
+            for: PostmanEchoClient.ExampleGetCall()
+        )
+    }
+}
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
index 0cee9e9..aa1addf 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
@@ -1,10 +1,12 @@
 import Endpoints
 import Foundation
 
-class HTTPBinClient: AnyClient {
-    public init() {
+struct HTTPBinClient: Client {
+    var client: Client
+
+    init() {
         let url = URL(string: "https://httpbin.org/")!
-        super.init(baseURL: url)
+        self.client = DefaultClient(baseURL: url)
     }
 
     struct GetStatusCode: Call {
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
index ff6857f..4120d0d 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
@@ -1,31 +1,31 @@
 import Endpoints
 import Foundation
 
-class ManipulatedHTTPBinClient: AnyClient {
-    private var defaultClient: AnyClient
+struct ManipulatedHTTPBinClient: Client {
+    var client: Client
 
     init() {
         let url = URL(string: "https://httpbin.org/")!
-        self.defaultClient = AnyClient(baseURL: url)
-        super.init(baseURL: url)
+        self.client = DefaultClient(baseURL: url)
     }
 
-    override func encode(call: some Endpoints.Call) async throws -> URLRequest {
+    func encode(call: some Endpoints.Call) async throws -> URLRequest {
         // Custom manipulation i.e. OAuth implementation
         print("- MANIPULATED encode -")
-        return try await defaultClient.encode(call: call)
+        return try await client.encode(call: call)
     }
 
-    override func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
+    func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
         where C: Call {
         // Custom manipulation i.e. react on error responses or invalid tokens
         print("- MANIPULATED parse -")
-        return try await defaultClient.parse(response: response, data: data, for: call)
+        return try await client.parse(response: response, data: data, for: call)
     }
 
-    override func validate(response: HTTPURLResponse?, data: Data?) async throws {
+    func validate(response: HTTPURLResponse?, data: Data?) async throws {
         // Custom validation if needed
         print("- MANIPULATED validate -")
+        return try await client.validate(response: response, data: data)
     }
 
     struct GetStatusCode: Call {
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
index a79137c..06e8238 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
@@ -1,10 +1,12 @@
 import Endpoints
 import Foundation
 
-public class PostmanEchoClient: AnyClient {
-    public init() {
-        let url = URL(string: "https://postman-echo.com")!
-        super.init(baseURL: url)
+struct PostmanEchoClient: Client {
+    let client: Client
+
+    init() {
+        let baseURL = URL(string: "https://postman-echo.com")!
+        self.client = DefaultClient(baseURL: baseURL)
     }
 
     struct ExampleGetCall: Call {
diff --git a/EndpointsTestbed/EndpointsTestbed/World.swift b/EndpointsTestbed/EndpointsTestbed/World.swift
deleted file mode 100644
index 14004c0..0000000
--- a/EndpointsTestbed/EndpointsTestbed/World.swift
+++ /dev/null
@@ -1,25 +0,0 @@
-import Endpoints
-import Foundation
-
-@MainActor
-let world = World()
-
-struct World {
-    let postmanSession: Session<PostmanEchoClient>
-    let httpBinSession: Session<HTTPBinClient>
-    let manipulatedHttpBinSession: Session<ManipulatedHTTPBinClient>
-
-    init() {
-        let postmanClient = PostmanEchoClient()
-        self.postmanSession = Session(with: postmanClient)
-        postmanSession.debug = true
-
-        let httpBinClient = HTTPBinClient()
-        self.httpBinSession = Session(with: httpBinClient)
-        httpBinSession.debug = true
-
-        let manipulatedHttpBinClient = ManipulatedHTTPBinClient()
-        self.manipulatedHttpBinSession = Session(with: manipulatedHttpBinClient)
-        manipulatedHttpBinSession.debug = true
-    }
-}
diff --git a/Package.resolved b/Package.resolved
index cc7023d..b3a48dc 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,6 +1,24 @@
 {
-  "originHash" : "6be90f4e656cb9ee68672462c82ac186ebd3d650a42c62ae1c35723995bd7c2a",
+  "originHash" : "8f53f9125394eadf02a9aafd4af63a7efd6c6d7da3c28070ac429a207bf1b97d",
   "pins" : [
+    {
+      "identity" : "asyncreactor",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/diamirio/AsyncReactor",
+      "state" : {
+        "revision" : "23292274e53eedae5c2198536a3a476355fe59d4",
+        "version" : "1.2.0"
+      }
+    },
+    {
+      "identity" : "injection",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/diamirio/Injection",
+      "state" : {
+        "revision" : "57a66d3f21ff5564542a6b157838ae97b67447f0",
+        "version" : "1.1.0"
+      }
+    },
     {
       "identity" : "swiftformat",
       "kind" : "remoteSourceControl",
diff --git a/Package.swift b/Package.swift
index 4e2d7d3..433c837 100755
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:6.1
+// swift-tools-version:6.2
 
 import PackageDescription
 
diff --git a/Sources/Async/AnyClient.swift b/Sources/Async/AnyClient.swift
index 4df663e..ae3d8b0 100644
--- a/Sources/Async/AnyClient.swift
+++ b/Sources/Async/AnyClient.swift
@@ -2,7 +2,10 @@
 
 import Foundation
 
-open class AnyClient: Client {
+public struct DefaultClient: Client {
+    /// To satisfy conformance only
+    public var client: Client { self }
+    
     /// The base URL used by `encode` to convert `Call`s into `URLRequest`s.
     public let baseURL: URL
 
@@ -14,7 +17,7 @@ open class AnyClient: Client {
         self.baseURL = baseURL
     }
 
-    open func encode(
+    public func encode(
         call: some Call
     ) async throws -> URLRequest {
         var urlRequest = call.request.urlRequest
@@ -26,7 +29,7 @@ open class AnyClient: Client {
         return urlRequest
     }
 
-    open func parse<C>(
+    public func parse<C>(
         response: HTTPURLResponse?,
         data: Data?,
         for call: C
@@ -38,7 +41,7 @@ open class AnyClient: Client {
         return try C.Parser().parse(response: response, data: data)
     }
 
-    open func validate(
+    public func validate(
         response: HTTPURLResponse?,
         data: Data?
     ) async throws {
diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index e481079..6d21c9e 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -4,7 +4,9 @@ import Foundation
 
 /// A type responsible for encoding and parsing all calls for a given Web API.
 /// A basic implementation is provided by `AnyClient`.
-public protocol Client: ResponseValidator {
+public protocol Client: ResponseValidator, Sendable {
+    var client: Client { get }
+    
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
     func encode<C: Call>(call: C) async throws -> URLRequest
@@ -19,3 +21,30 @@ public protocol Client: ResponseValidator {
         for call: C
     ) async throws -> C.Parser.OutputType
 }
+
+public extension Client {
+    /// Converts a `Call` created for this client's Web API
+    /// into a `URLRequest`.
+    func encode<C: Call>(call: C) async throws -> URLRequest {
+        try await client.encode(call: call)
+    }
+
+    /// Converts the `URLSession`s result for a `Call` to
+    /// this client's Web API into the expected output type.
+    ///
+    /// - throws: Any `Error` if `result` is considered invalid.
+    func parse<C: Call>(
+        response: HTTPURLResponse?,
+        data: Data?,
+        for call: C
+    ) async throws -> C.Parser.OutputType {
+        try await client.parse(response: response, data: data, for: call)
+    }
+    
+    func validate(
+        response: HTTPURLResponse?,
+        data: Data?
+    ) async throws {
+        try await client.validate(response: response, data: data)
+    }
+}
diff --git a/Sources/Async/Session.swift b/Sources/Async/Session.swift
index c80ad46..0e3062d 100644
--- a/Sources/Async/Session.swift
+++ b/Sources/Async/Session.swift
@@ -2,13 +2,12 @@
 
 import Foundation
 #if canImport(OSLog)
-    import OSLog
+import OSLog
 #endif
 
-open class Session<CL: Client> {
-    public var debug = false
-
-    public var urlSession: URLSession
+public actor Session<CL: Client> {
+    public let debug = false
+    public let urlSession: URLSession
     public let client: CL
 
     public init(
@@ -24,7 +23,9 @@ open class Session<CL: Client> {
     }
 
     @discardableResult
-    open func dataTask<C: Call>(for call: C) async throws -> (C.Parser.OutputType, HTTPURLResponse) {
+    public func dataTask<C: Call>(
+        for call: C
+    ) async throws -> (C.Parser.OutputType, HTTPURLResponse) {
         let urlRequest = try await client.encode(call: call)
 
         let (data, response) = try await urlSession.data(for: urlRequest)
diff --git a/Sources/Body/Body.swift b/Sources/Body/Body.swift
index 6706c64..0475d18 100644
--- a/Sources/Body/Body.swift
+++ b/Sources/Body/Body.swift
@@ -8,7 +8,7 @@ import Foundation
 ///
 /// Adopted by `Data` and `String`.
 /// - seealso: `FormEncodedBody`, `JSONEncodedBody`.
-public protocol Body {
+public protocol Body: Sendable {
     /// Returns HTTP Header parameters required for `self`, if any.
     ///
     /// This is usally a "Content-Type" header like "application/json" for a
diff --git a/Sources/Body/Multipart/MultipartBodyPart.swift b/Sources/Body/Multipart/MultipartBodyPart.swift
index f128bea..eb1cce0 100644
--- a/Sources/Body/Multipart/MultipartBodyPart.swift
+++ b/Sources/Body/Multipart/MultipartBodyPart.swift
@@ -2,7 +2,7 @@
 
 import Foundation
 
-public protocol MultipartBodyPart {
+public protocol MultipartBodyPart: Sendable {
     /// The name (usually from the HTML form)
     ///
     /// There can be multiple parts with the same name.
diff --git a/Sources/Convenience/AnyCall.swift b/Sources/Convenience/AnyCall.swift
index eeeed8b..e827142 100644
--- a/Sources/Convenience/AnyCall.swift
+++ b/Sources/Convenience/AnyCall.swift
@@ -5,7 +5,7 @@ import Foundation
 public struct AnyCall<Parser: ResponseParser>: Call {
     public typealias Parser = Parser
 
-    public typealias ValidationBlock = (HTTPURLResponse?, Data?) throws -> Void
+    public typealias ValidationBlock = @Sendable (HTTPURLResponse?, Data?) throws -> Void
 
     public var request: URLRequestEncodable
 
diff --git a/Sources/Core/Call.swift b/Sources/Core/Call.swift
index 6faf24c..6832af8 100644
--- a/Sources/Core/Call.swift
+++ b/Sources/Core/Call.swift
@@ -39,7 +39,7 @@ import Foundation
 /// request before using its `Parser` to parse it.
 ///
 /// - seealso: `Client`, `Session`, `DataParser`, `Request`
-public protocol Call: ResponseValidator {
+public protocol Call: ResponseValidator, Sendable {
     associatedtype Parser: ResponseParser
 
     var request: URLRequestEncodable { get }
diff --git a/Sources/Core/HTTPMethod.swift b/Sources/Core/HTTPMethod.swift
index fcb9140..ae27a18 100644
--- a/Sources/Core/HTTPMethod.swift
+++ b/Sources/Core/HTTPMethod.swift
@@ -3,7 +3,7 @@
 import Foundation
 
 /// An enum containing all HTTPMethods defined in RFC 2616
-public enum HTTPMethod: String {
+public enum HTTPMethod: String, Sendable {
     case get = "GET"
     case post = "POST"
     case put = "PUT"
diff --git a/Sources/Core/URLRequestEncodable.swift b/Sources/Core/URLRequestEncodable.swift
index 9707461..835b23b 100644
--- a/Sources/Core/URLRequestEncodable.swift
+++ b/Sources/Core/URLRequestEncodable.swift
@@ -5,7 +5,7 @@ import Foundation
 /// A type that can transform itself into an `URLRequest`.
 ///
 /// This protocol is adopted by `Request`, `URLRequest`, `URL` and `Call`.
-public protocol URLRequestEncodable: CustomDebugStringConvertible {
+public protocol URLRequestEncodable: CustomDebugStringConvertible, Sendable {
     /// Returns an `URLRequest` configured with the data encapsulated by `self`.
     var urlRequest: URLRequest { get }
 }
diff --git a/Sources/Parsing/DataParser.swift b/Sources/Parsing/DataParser.swift
index 7d8537e..4b7bfe3 100644
--- a/Sources/Parsing/DataParser.swift
+++ b/Sources/Parsing/DataParser.swift
@@ -6,7 +6,7 @@ import Foundation
 ///
 /// Used by `Call` to define the expected response type for its associated
 /// request.
-public protocol DataParser {
+public protocol DataParser: Sendable {
     /// The type that can be produced by `self`.
     associatedtype OutputType
 
diff --git a/Sources/Parsing/ResponseParser/JSONParser.swift b/Sources/Parsing/ResponseParser/JSONParser.swift
index 76453db..4e6b413 100644
--- a/Sources/Parsing/ResponseParser/JSONParser.swift
+++ b/Sources/Parsing/ResponseParser/JSONParser.swift
@@ -4,15 +4,15 @@ import Foundation
 
 /// A `JSONParser` is a `DecodableParser` that works with JSON representation.
 /// It provides aa `jsonDecoder` to decode a response.
-open class JSONParser<T: Decodable>: ResponseParser {
+public struct JSONParser<T: Decodable>: ResponseParser {
     public typealias OutputType = T
 
-    public required init() {}
-
-    open var jsonDecoder: JSONDecoder {
-        JSONDecoder()
+    public var jsonDecoder: JSONDecoder
+    
+    public init() {
+        self.jsonDecoder = JSONDecoder()
     }
-
+    
     public func parse(data: Data, encoding _: String.Encoding) throws -> OutputType {
         try jsonDecoder.decode(OutputType.self, from: data)
     }
diff --git a/Sources/ResponseValidator/ResponseValidator.swift b/Sources/ResponseValidator/ResponseValidator.swift
index d4dd1a4..5b11896 100644
--- a/Sources/ResponseValidator/ResponseValidator.swift
+++ b/Sources/ResponseValidator/ResponseValidator.swift
@@ -4,7 +4,7 @@ import Foundation
 
 /// A type responsible for validating the result produced by a
 /// `URLSession`s `completionHandler` block.
-public protocol ResponseValidator {
+public protocol ResponseValidator: Sendable {
     /// Validates the data provided by `URLSession`s `completionHandler`
     /// block.
     /// - throws: Any `Error`, if `result` is not valid.
diff --git a/Sources/ResponseValidator/StatusCodeValidator.swift b/Sources/ResponseValidator/StatusCodeValidator.swift
index 87f133f..d896d0f 100644
--- a/Sources/ResponseValidator/StatusCodeValidator.swift
+++ b/Sources/ResponseValidator/StatusCodeValidator.swift
@@ -3,7 +3,7 @@
 import Foundation
 
 /// A type validating the status code of `HTTPURLResponse`.
-public class StatusCodeValidator: ResponseValidator {
+public final class StatusCodeValidator: ResponseValidator {
     /// Checks if an HTTP status code is acceptable
     /// - returns: `true` if `code` is between 200 and 299.
     public func isAcceptableStatus(code: Int) -> Bool {
diff --git a/Sources/Testing/FakeResultProvider.swift b/Sources/Testing/FakeResultProvider.swift
index 44629ce..48aae56 100644
--- a/Sources/Testing/FakeResultProvider.swift
+++ b/Sources/Testing/FakeResultProvider.swift
@@ -1,5 +1,5 @@
 import Foundation
 
-public protocol FakeResultProvider {
+public protocol FakeResultProvider: Sendable {
     func data<C: Call>(for call: C) async throws -> (URLResponse, Data)
 }
diff --git a/Sources/Testing/FakeSession.swift b/Sources/Testing/FakeSession.swift
index 1de89b8..8af2843 100644
--- a/Sources/Testing/FakeSession.swift
+++ b/Sources/Testing/FakeSession.swift
@@ -4,57 +4,58 @@ import Foundation
 #if canImport(OSLog)
     import OSLog
 #endif
-
-public class FakeSession<CL: Client>: Session<CL> {
-    var resultProvider: FakeResultProvider
-
-    public init(with client: CL, resultProvider: FakeResultProvider) {
-        self.resultProvider = resultProvider
-
-        super.init(with: client)
-    }
-
-    override public func dataTask<C: Call>(
-        for call: C
-    ) async throws -> (C.Parser.OutputType, HTTPURLResponse) {
-        let (response, data) = try await resultProvider.data(for: call)
-
-        guard let response = response as? HTTPURLResponse else {
-            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
-                Logger.default.debug("no response.")
-            } else {
-                os_log("no response.", log: .default, type: .debug)
-            }
-
-            throw EndpointsError(
-                error: EndpointsParsingError.invalidData(
-                    description: "Response was not a valid HTTPURLResponse"
-                ),
-                response: nil
-            )
-        }
-
-        if debug {
-            var message = ""
-            message += "\(call.request.cURLRepresentation)\n"
-            message += "\(response.debugDescription)\n"
-            message += "\(data.debugDescription(encoding: response.stringEncoding))"
-
-            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
-                Logger.default.debug("\(message, privacy: .private)")
-            } else {
-                os_log("%s", log: .default, type: .debug, message)
-            }
-        }
-
-        do {
-            try await call.validate(response: response, data: data) // request-specific validation
-            try await client.validate(response: response, data: data) // global validation
-
-            let value = try await client.parse(response: response, data: data, for: call)
-            return (value, response)
-        } catch {
-            throw EndpointsError(error: error, response: response)
-        }
-    }
-}
+//
+//public final class FakeSession<CL: Client>: Session {
+//    public let client: CL
+//    public let debug: Bool = false
+//    public let resultProvider: FakeResultProvider
+//
+//    public init(with client: CL, resultProvider: FakeResultProvider) {
+//        self.client = client
+//        self.resultProvider = resultProvider
+//    }
+//
+//    public func dataTask<C: Call>(
+//        for call: C
+//    ) async throws -> (C.Parser.OutputType, HTTPURLResponse) {
+//        let (response, data) = try await resultProvider.data(for: call)
+//
+//        guard let response = response as? HTTPURLResponse else {
+//            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
+//                Logger.default.debug("no response.")
+//            } else {
+//                os_log("no response.", log: .default, type: .debug)
+//            }
+//
+//            throw EndpointsError(
+//                error: EndpointsParsingError.invalidData(
+//                    description: "Response was not a valid HTTPURLResponse"
+//                ),
+//                response: nil
+//            )
+//        }
+//
+//        if debug {
+//            var message = ""
+//            message += "\(call.request.cURLRepresentation)\n"
+//            message += "\(response.debugDescription)\n"
+//            message += "\(data.debugDescription(encoding: response.stringEncoding))"
+//
+//            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
+//                Logger.default.debug("\(message, privacy: .private)")
+//            } else {
+//                os_log("%s", log: .default, type: .debug, message)
+//            }
+//        }
+//
+//        do {
+//            try await call.validate(response: response, data: data) // request-specific validation
+//            try await client.validate(response: response, data: data) // global validation
+//
+//            let value = try await client.parse(response: response, data: data, for: call)
+//            return (value, response)
+//        } catch {
+//            throw EndpointsError(error: error, response: response)
+//        }
+//    }
+//}

From 36ed3defc81be7f4c6cc406f507d49c7af7cab16 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Wed, 1 Oct 2025 13:07:51 +0200
Subject: [PATCH 02/18] Fixed Tests for Swift 6

---
 CLAUDE.md                                     | 98 +++++++++++++++++++
 .../Networking/HTTPBinClient.swift            |  2 +-
 .../Networking/ManipulatedHTTPBinClient.swift |  2 +-
 .../Networking/PostmanEchoClient.swift        |  2 +-
 Sources/Async/AnyClient.swift                 |  2 +-
 Sources/Parsing/DataParser.swift              |  2 +-
 Tests/ClientTests.swift                       |  6 +-
 .../Codable/Endpoints+JSONCodableTests.swift  | 11 ++-
 Tests/PostmanEcho/PostmanEchoClient.swift     |  6 +-
 Tests/Utils/ClientTester.swift                |  3 +-
 10 files changed, 120 insertions(+), 14 deletions(-)
 create mode 100644 CLAUDE.md

diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..be01827
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1,98 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+This is the **Endpoints** Swift package - a type-safe network abstraction layer for Web APIs. It provides a clean separation of concerns using protocols and generics, with heavy use of Swift's type system to ensure compile-time safety for network operations.
+
+### Core Architecture
+
+The library is built around three main concepts:
+- **Call**: Represents a specific API endpoint request and expected response type
+- **Client**: Handles encoding requests and parsing responses for a Web API  
+- **Session**: Manages URLSession and executes calls asynchronously
+
+Key architectural patterns:
+- Protocol-oriented design with extensive use of generics
+- Value types (structs) preferred over reference types
+- Async/await throughout (no completion handlers)
+- Response parsing delegation via `ResponseParser` protocol
+
+### Directory Structure
+
+- `Sources/Core/`: Core protocols (`Call`, `Client`, `Session`, `Request`)
+- `Sources/Parsing/`: Response parsers (`JSONParser`, `DataResponseParser`, etc.)
+- `Sources/Body/`: Request body types (JSON, form-encoded, multipart)
+- `Sources/Async/`: Async implementations (`AnyClient`, `Session`)
+- `Sources/Convenience/`: Helper types and extensions
+- `Sources/Error/`: Error types specific to Endpoints
+- `Sources/Testing/`: Testing utilities (`FakeSession`, `FakeResultProvider`)
+- `EndpointsTestbed/`: Example iOS app demonstrating usage patterns
+
+## Development Commands
+
+### Building and Testing
+```bash
+# Build the package
+swift build
+
+# Run all tests  
+swift test
+
+# Build with verbose output
+swift build -v
+
+# Run tests with verbose output
+swift test -v
+```
+
+### Code Formatting
+```bash
+# Format code (using SwiftFormat dependency)
+swift run swiftformat .
+
+# Check formatting without changes
+swift run swiftformat . --lint
+```
+
+### Example App (EndpointsTestbed)
+The testbed iOS app can be built and run through Xcode by opening `EndpointsTestbed/EndpointsTestbed.xcodeproj`.
+
+## Key Implementation Patterns
+
+### Creating Type-Safe Calls
+```swift
+struct GetUser: Call {
+    typealias Parser = JSONParser<User>
+    
+    let userId: String
+    
+    var request: URLRequestEncodable {
+        Request(.get, "users/\(userId)")
+    }
+}
+```
+
+### Custom Clients
+Subclass `AnyClient` or implement `Client` protocol. Override `encode(call:)` for request manipulation or `parse(response:data:for:)` for response handling.
+
+### Response Parsers
+- `JSONParser<T>` for Codable types
+- `DataResponseParser` for raw Data
+- `DictionaryParser<K,V>` for JSON dictionaries  
+- `StringParser` for string responses
+- `NoContentParser` when response content doesn't matter
+
+## Swift Version and Compatibility
+
+- Requires Swift 6.2+ (see Package.swift)
+- Supports iOS 13+, macOS 10.15+, tvOS 12+, watchOS 6+, visionOS 1+
+- Built for modern Swift concurrency (async/await)
+
+## Migration Notes
+
+Major version changes (v2.0.0, v3.0.0) included breaking changes. See `Migration/` directory for detailed upgrade guides. Most notably:
+- v3.0.0 moved to native async/await (removed completion handler APIs)
+- Response parsing moved from static to instance methods
+- `Session.start()` replaced with `Session.dataTask(for:)`
\ No newline at end of file
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
index aa1addf..51b492f 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
@@ -6,7 +6,7 @@ struct HTTPBinClient: Client {
 
     init() {
         let url = URL(string: "https://httpbin.org/")!
-        self.client = DefaultClient(baseURL: url)
+        self.client = AnyClient(baseURL: url)
     }
 
     struct GetStatusCode: Call {
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
index 4120d0d..273bd5a 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
@@ -6,7 +6,7 @@ struct ManipulatedHTTPBinClient: Client {
 
     init() {
         let url = URL(string: "https://httpbin.org/")!
-        self.client = DefaultClient(baseURL: url)
+        self.client = AnyClient(baseURL: url)
     }
 
     func encode(call: some Endpoints.Call) async throws -> URLRequest {
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
index 06e8238..d05bf2f 100644
--- a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
+++ b/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
@@ -6,7 +6,7 @@ struct PostmanEchoClient: Client {
 
     init() {
         let baseURL = URL(string: "https://postman-echo.com")!
-        self.client = DefaultClient(baseURL: baseURL)
+        self.client = AnyClient(baseURL: baseURL)
     }
 
     struct ExampleGetCall: Call {
diff --git a/Sources/Async/AnyClient.swift b/Sources/Async/AnyClient.swift
index ae3d8b0..07e2bad 100644
--- a/Sources/Async/AnyClient.swift
+++ b/Sources/Async/AnyClient.swift
@@ -2,7 +2,7 @@
 
 import Foundation
 
-public struct DefaultClient: Client {
+public struct AnyClient: Client {
     /// To satisfy conformance only
     public var client: Client { self }
     
diff --git a/Sources/Parsing/DataParser.swift b/Sources/Parsing/DataParser.swift
index 4b7bfe3..6849b28 100644
--- a/Sources/Parsing/DataParser.swift
+++ b/Sources/Parsing/DataParser.swift
@@ -8,7 +8,7 @@ import Foundation
 /// request.
 public protocol DataParser: Sendable {
     /// The type that can be produced by `self`.
-    associatedtype OutputType
+    associatedtype OutputType: Sendable
 
     /// Converts a `Data` object with a specified encoding to `OutputType`.
     ///
diff --git a/Tests/ClientTests.swift b/Tests/ClientTests.swift
index e28f71e..db768d6 100644
--- a/Tests/ClientTests.swift
+++ b/Tests/ClientTests.swift
@@ -220,14 +220,16 @@ struct ClientTests {
         let url = try #require(URL(string: "get?q=a"))
         let c = AnyCall<DataResponseParser>(URLRequest(url: url))
         let (_, response) = try await tester.performTest(call: c)
-        #expect(response.url == URL(string: url.relativeString, relativeTo: tester.session.client.baseURL)?.absoluteURL)
+        let expectedUrl = URL(string: url.relativeString, relativeTo: await tester.session.client.baseURL)?.absoluteURL
+        #expect(response.url == expectedUrl)
     }
 
     @Test func testRedirect() async throws {
         let req = Request(.get, "relative-redirect/2", header: ["x": "y"])
         let c = AnyCall<DataResponseParser>(req)
         let (_, response) = try await tester.performTest(call: c)
-        #expect(response.url == URL(string: "get", relativeTo: tester.session.client.baseURL)?.absoluteURL)
+        let expectedUrl = URL(string: "get", relativeTo: await tester.session.client.baseURL)?.absoluteURL
+        #expect(response.url == expectedUrl)
     }
 
     @Test func testNoResponseBody() async throws {
diff --git a/Tests/Codable/Endpoints+JSONCodableTests.swift b/Tests/Codable/Endpoints+JSONCodableTests.swift
index d41a045..e39ef85 100644
--- a/Tests/Codable/Endpoints+JSONCodableTests.swift
+++ b/Tests/Codable/Endpoints+JSONCodableTests.swift
@@ -127,8 +127,13 @@ extension EndpointsJSONCodableTests.Person {
     }
 }
 
-class DateCrashParser<T: Decodable>: JSONParser<T> {
-    override var jsonDecoder: JSONDecoder {
-        EndpointsJSONCodableTests.getDateCrashDecoder()
+
+struct DateCrashParser<T: Decodable>: ResponseParser {
+    public typealias OutputType = T
+    
+    let jsonDecoder = EndpointsJSONCodableTests.getDateCrashDecoder()
+    
+    func parse(data: Data, encoding: String.Encoding) throws -> T {
+        try jsonDecoder.decode(OutputType.self, from: data)
     }
 }
diff --git a/Tests/PostmanEcho/PostmanEchoClient.swift b/Tests/PostmanEcho/PostmanEchoClient.swift
index 9d50c4f..5fa6290 100644
--- a/Tests/PostmanEcho/PostmanEchoClient.swift
+++ b/Tests/PostmanEcho/PostmanEchoClient.swift
@@ -3,10 +3,12 @@
 @testable import Endpoints
 import Foundation
 
-public class PostmanEchoClient: AnyClient {
+public struct PostmanEchoClient: Client {
+    public var client: Client
+    
     public init() {
         let url = URL(string: "https://postman-echo.com")!
-        super.init(baseURL: url)
+        client = AnyClient(baseURL: url)
     }
 
     struct MyCall: Call {
diff --git a/Tests/Utils/ClientTester.swift b/Tests/Utils/ClientTester.swift
index 480d854..e35f685 100644
--- a/Tests/Utils/ClientTester.swift
+++ b/Tests/Utils/ClientTester.swift
@@ -5,12 +5,11 @@ import Foundation
 import Testing
 
 // Helper struct for running API calls within tests.
-struct ClientTester<CL: Client> {
+struct ClientTester<CL: Client>: Sendable {
     var session: Session<CL>
 
     init(client: CL) {
         self.session = Session(with: client)
-        session.debug = true
     }
 
     func performTest<C: Call>(

From 0d528e4a3351721b02c289c389d916e2077ddbea Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 9 Oct 2025 07:27:30 +0200
Subject: [PATCH 03/18] Fixed README.md, updated testbed

---
 CLAUDE.md                                     |  98 --------------
 .../project.pbxproj                           | 125 +++---------------
 LICENSE                                       |   2 +-
 Package.resolved                              |   4 +-
 README.md                                     |  80 ++++++-----
 5 files changed, 69 insertions(+), 240 deletions(-)
 delete mode 100644 CLAUDE.md

diff --git a/CLAUDE.md b/CLAUDE.md
deleted file mode 100644
index be01827..0000000
--- a/CLAUDE.md
+++ /dev/null
@@ -1,98 +0,0 @@
-# CLAUDE.md
-
-This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
-
-## Project Overview
-
-This is the **Endpoints** Swift package - a type-safe network abstraction layer for Web APIs. It provides a clean separation of concerns using protocols and generics, with heavy use of Swift's type system to ensure compile-time safety for network operations.
-
-### Core Architecture
-
-The library is built around three main concepts:
-- **Call**: Represents a specific API endpoint request and expected response type
-- **Client**: Handles encoding requests and parsing responses for a Web API  
-- **Session**: Manages URLSession and executes calls asynchronously
-
-Key architectural patterns:
-- Protocol-oriented design with extensive use of generics
-- Value types (structs) preferred over reference types
-- Async/await throughout (no completion handlers)
-- Response parsing delegation via `ResponseParser` protocol
-
-### Directory Structure
-
-- `Sources/Core/`: Core protocols (`Call`, `Client`, `Session`, `Request`)
-- `Sources/Parsing/`: Response parsers (`JSONParser`, `DataResponseParser`, etc.)
-- `Sources/Body/`: Request body types (JSON, form-encoded, multipart)
-- `Sources/Async/`: Async implementations (`AnyClient`, `Session`)
-- `Sources/Convenience/`: Helper types and extensions
-- `Sources/Error/`: Error types specific to Endpoints
-- `Sources/Testing/`: Testing utilities (`FakeSession`, `FakeResultProvider`)
-- `EndpointsTestbed/`: Example iOS app demonstrating usage patterns
-
-## Development Commands
-
-### Building and Testing
-```bash
-# Build the package
-swift build
-
-# Run all tests  
-swift test
-
-# Build with verbose output
-swift build -v
-
-# Run tests with verbose output
-swift test -v
-```
-
-### Code Formatting
-```bash
-# Format code (using SwiftFormat dependency)
-swift run swiftformat .
-
-# Check formatting without changes
-swift run swiftformat . --lint
-```
-
-### Example App (EndpointsTestbed)
-The testbed iOS app can be built and run through Xcode by opening `EndpointsTestbed/EndpointsTestbed.xcodeproj`.
-
-## Key Implementation Patterns
-
-### Creating Type-Safe Calls
-```swift
-struct GetUser: Call {
-    typealias Parser = JSONParser<User>
-    
-    let userId: String
-    
-    var request: URLRequestEncodable {
-        Request(.get, "users/\(userId)")
-    }
-}
-```
-
-### Custom Clients
-Subclass `AnyClient` or implement `Client` protocol. Override `encode(call:)` for request manipulation or `parse(response:data:for:)` for response handling.
-
-### Response Parsers
-- `JSONParser<T>` for Codable types
-- `DataResponseParser` for raw Data
-- `DictionaryParser<K,V>` for JSON dictionaries  
-- `StringParser` for string responses
-- `NoContentParser` when response content doesn't matter
-
-## Swift Version and Compatibility
-
-- Requires Swift 6.2+ (see Package.swift)
-- Supports iOS 13+, macOS 10.15+, tvOS 12+, watchOS 6+, visionOS 1+
-- Built for modern Swift concurrency (async/await)
-
-## Migration Notes
-
-Major version changes (v2.0.0, v3.0.0) included breaking changes. See `Migration/` directory for detailed upgrade guides. Most notably:
-- v3.0.0 moved to native async/await (removed completion handler APIs)
-- Response parsing moved from static to instance methods
-- `Session.start()` replaced with `Session.dataTask(for:)`
\ No newline at end of file
diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
index 4ad6830..666a309 100644
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
+++ b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
@@ -8,22 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		8211A84D2AFBDBFD00A36244 /* AsyncReactor in Frameworks */ = {isa = PBXBuildFile; productRef = 8211A84C2AFBDBFD00A36244 /* AsyncReactor */; };
-		8211A84F2AFBDC1200A36244 /* ExampleReactorView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8211A84E2AFBDC1200A36244 /* ExampleReactorView.swift */; };
-		8211A8512AFBDC2000A36244 /* ExampleReactor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8211A8502AFBDC2000A36244 /* ExampleReactor.swift */; };
-		82B1AB9E29E3544B007B23C1 /* ExampleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82B1AB9D29E3544B007B23C1 /* ExampleView.swift */; };
-		82B1ABA029E35455007B23C1 /* ExampleViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82B1AB9F29E35455007B23C1 /* ExampleViewModel.swift */; };
-		82B1ABA229E35486007B23C1 /* ExampleModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82B1ABA129E35486007B23C1 /* ExampleModel.swift */; };
-		82B1ABA529E354C0007B23C1 /* PostmanEchoClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82B1ABA429E354C0007B23C1 /* PostmanEchoClient.swift */; };
-		82BA52F129DEE35C00F7726A /* EndpointsTestbedApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82BA52F029DEE35C00F7726A /* EndpointsTestbedApp.swift */; };
-		82BA52F529DEE35D00F7726A /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 82BA52F429DEE35D00F7726A /* Assets.xcassets */; };
-		82BA52F829DEE35D00F7726A /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 82BA52F729DEE35D00F7726A /* Preview Assets.xcassets */; };
-		82BA530229DEE35D00F7726A /* EndpointsTestbedTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82BA530129DEE35D00F7726A /* EndpointsTestbedTests.swift */; };
 		82BA531E29DEE73D00F7726A /* Endpoints in Frameworks */ = {isa = PBXBuildFile; productRef = 82BA531D29DEE73D00F7726A /* Endpoints */; };
-		82E74FFC2AADE042001A230C /* HTTPBinClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82E74FFB2AADE042001A230C /* HTTPBinClient.swift */; };
-		82E74FFE2AADE19A001A230C /* ManipulatedHTTPBinClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */; };
-		FA7846C72E72A94500E4B067 /* API.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA7846C62E72A93900E4B067 /* API.swift */; };
 		FAD06B6B2E8C1C8C00E87155 /* Injection in Frameworks */ = {isa = PBXBuildFile; productRef = FAD06B6A2E8C1C8C00E87155 /* Injection */; };
-		FAD06B6D2E8C1D5800E87155 /* DI.swift in Sources */ = {isa = PBXBuildFile; fileRef = FAD06B6C2E8C1D5600E87155 /* DI.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -37,25 +23,24 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
-		8211A84E2AFBDC1200A36244 /* ExampleReactorView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExampleReactorView.swift; sourceTree = "<group>"; };
-		8211A8502AFBDC2000A36244 /* ExampleReactor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExampleReactor.swift; sourceTree = "<group>"; };
-		82B1AB9D29E3544B007B23C1 /* ExampleView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExampleView.swift; sourceTree = "<group>"; };
-		82B1AB9F29E35455007B23C1 /* ExampleViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExampleViewModel.swift; sourceTree = "<group>"; };
-		82B1ABA129E35486007B23C1 /* ExampleModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExampleModel.swift; sourceTree = "<group>"; };
-		82B1ABA429E354C0007B23C1 /* PostmanEchoClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PostmanEchoClient.swift; sourceTree = "<group>"; };
 		82BA52ED29DEE35C00F7726A /* EndpointsTestbed.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = EndpointsTestbed.app; sourceTree = BUILT_PRODUCTS_DIR; };
-		82BA52F029DEE35C00F7726A /* EndpointsTestbedApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EndpointsTestbedApp.swift; sourceTree = "<group>"; };
-		82BA52F429DEE35D00F7726A /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
-		82BA52F729DEE35D00F7726A /* Preview Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = "Preview Assets.xcassets"; sourceTree = "<group>"; };
 		82BA52FD29DEE35D00F7726A /* EndpointsTestbedTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = EndpointsTestbedTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
-		82BA530129DEE35D00F7726A /* EndpointsTestbedTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EndpointsTestbedTests.swift; sourceTree = "<group>"; };
 		82BA531B29DEE38000F7726A /* Endpoints */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = Endpoints; path = ..; sourceTree = "<group>"; };
-		82E74FFB2AADE042001A230C /* HTTPBinClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HTTPBinClient.swift; sourceTree = "<group>"; };
-		82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ManipulatedHTTPBinClient.swift; sourceTree = "<group>"; };
-		FA7846C62E72A93900E4B067 /* API.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = API.swift; sourceTree = "<group>"; };
-		FAD06B6C2E8C1D5600E87155 /* DI.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DI.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
+/* Begin PBXFileSystemSynchronizedRootGroup section */
+		FA07EB582E977E6900D9EA84 /* EndpointsTestbed */ = {
+			isa = PBXFileSystemSynchronizedRootGroup;
+			path = EndpointsTestbed;
+			sourceTree = "<group>";
+		};
+		FA07EB672E977E6F00D9EA84 /* EndpointsTestbedTests */ = {
+			isa = PBXFileSystemSynchronizedRootGroup;
+			path = EndpointsTestbedTests;
+			sourceTree = "<group>";
+		};
+/* End PBXFileSystemSynchronizedRootGroup section */
+
 /* Begin PBXFrameworksBuildPhase section */
 		82BA52EA29DEE35C00F7726A /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
@@ -77,42 +62,12 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
-		8211A84A2AFBDBD200A36244 /* ExampleAsyncReactor */ = {
-			isa = PBXGroup;
-			children = (
-				8211A84E2AFBDC1200A36244 /* ExampleReactorView.swift */,
-				8211A8502AFBDC2000A36244 /* ExampleReactor.swift */,
-			);
-			path = ExampleAsyncReactor;
-			sourceTree = "<group>";
-		};
-		82B1AB9C29E3543C007B23C1 /* ExampleMVVM */ = {
-			isa = PBXGroup;
-			children = (
-				82B1AB9D29E3544B007B23C1 /* ExampleView.swift */,
-				82B1AB9F29E35455007B23C1 /* ExampleViewModel.swift */,
-				82B1ABA129E35486007B23C1 /* ExampleModel.swift */,
-			);
-			path = ExampleMVVM;
-			sourceTree = "<group>";
-		};
-		82B1ABA329E354B0007B23C1 /* Networking */ = {
-			isa = PBXGroup;
-			children = (
-				FA7846C62E72A93900E4B067 /* API.swift */,
-				82B1ABA429E354C0007B23C1 /* PostmanEchoClient.swift */,
-				82E74FFB2AADE042001A230C /* HTTPBinClient.swift */,
-				82E74FFD2AADE19A001A230C /* ManipulatedHTTPBinClient.swift */,
-			);
-			path = Networking;
-			sourceTree = "<group>";
-		};
 		82BA52E429DEE35C00F7726A = {
 			isa = PBXGroup;
 			children = (
 				82BA531A29DEE38000F7726A /* Packages */,
-				82BA52EF29DEE35C00F7726A /* EndpointsTestbed */,
-				82BA530029DEE35D00F7726A /* EndpointsTestbedTests */,
+				FA07EB582E977E6900D9EA84 /* EndpointsTestbed */,
+				FA07EB672E977E6F00D9EA84 /* EndpointsTestbedTests */,
 				82BA52EE29DEE35C00F7726A /* Products */,
 				82BA531C29DEE73D00F7726A /* Frameworks */,
 			);
@@ -127,36 +82,6 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		82BA52EF29DEE35C00F7726A /* EndpointsTestbed */ = {
-			isa = PBXGroup;
-			children = (
-				FAD06B6C2E8C1D5600E87155 /* DI.swift */,
-				82B1ABA329E354B0007B23C1 /* Networking */,
-				8211A84A2AFBDBD200A36244 /* ExampleAsyncReactor */,
-				82B1AB9C29E3543C007B23C1 /* ExampleMVVM */,
-				82BA52F029DEE35C00F7726A /* EndpointsTestbedApp.swift */,
-				82BA52F429DEE35D00F7726A /* Assets.xcassets */,
-				82BA52F629DEE35D00F7726A /* Preview Content */,
-			);
-			path = EndpointsTestbed;
-			sourceTree = "<group>";
-		};
-		82BA52F629DEE35D00F7726A /* Preview Content */ = {
-			isa = PBXGroup;
-			children = (
-				82BA52F729DEE35D00F7726A /* Preview Assets.xcassets */,
-			);
-			path = "Preview Content";
-			sourceTree = "<group>";
-		};
-		82BA530029DEE35D00F7726A /* EndpointsTestbedTests */ = {
-			isa = PBXGroup;
-			children = (
-				82BA530129DEE35D00F7726A /* EndpointsTestbedTests.swift */,
-			);
-			path = EndpointsTestbedTests;
-			sourceTree = "<group>";
-		};
 		82BA531A29DEE38000F7726A /* Packages */ = {
 			isa = PBXGroup;
 			children = (
@@ -187,6 +112,9 @@
 			);
 			dependencies = (
 			);
+			fileSystemSynchronizedGroups = (
+				FA07EB582E977E6900D9EA84 /* EndpointsTestbed */,
+			);
 			name = EndpointsTestbed;
 			packageProductDependencies = (
 				82BA531D29DEE73D00F7726A /* Endpoints */,
@@ -210,6 +138,9 @@
 			dependencies = (
 				82BA52FF29DEE35D00F7726A /* PBXTargetDependency */,
 			);
+			fileSystemSynchronizedGroups = (
+				FA07EB672E977E6F00D9EA84 /* EndpointsTestbedTests */,
+			);
 			name = EndpointsTestbedTests;
 			productName = EndpointsTestbedTests;
 			productReference = 82BA52FD29DEE35D00F7726A /* EndpointsTestbedTests.xctest */;
@@ -262,8 +193,6 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				82BA52F829DEE35D00F7726A /* Preview Assets.xcassets in Resources */,
-				82BA52F529DEE35D00F7726A /* Assets.xcassets in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -281,17 +210,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				82B1ABA529E354C0007B23C1 /* PostmanEchoClient.swift in Sources */,
-				82B1ABA029E35455007B23C1 /* ExampleViewModel.swift in Sources */,
-				82E74FFC2AADE042001A230C /* HTTPBinClient.swift in Sources */,
-				82B1ABA229E35486007B23C1 /* ExampleModel.swift in Sources */,
-				FAD06B6D2E8C1D5800E87155 /* DI.swift in Sources */,
-				FA7846C72E72A94500E4B067 /* API.swift in Sources */,
-				8211A84F2AFBDC1200A36244 /* ExampleReactorView.swift in Sources */,
-				82BA52F129DEE35C00F7726A /* EndpointsTestbedApp.swift in Sources */,
-				82E74FFE2AADE19A001A230C /* ManipulatedHTTPBinClient.swift in Sources */,
-				82B1AB9E29E3544B007B23C1 /* ExampleView.swift in Sources */,
-				8211A8512AFBDC2000A36244 /* ExampleReactor.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -299,7 +217,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				82BA530229DEE35D00F7726A /* EndpointsTestbedTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/LICENSE b/LICENSE
index 7ed0942..088b025 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2022 Tailored Media GmbH
+Copyright (c) 2025 Tailored Media GmbH
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/Package.resolved b/Package.resolved
index b3a48dc..e534118 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,8 +6,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/diamirio/AsyncReactor",
       "state" : {
-        "revision" : "23292274e53eedae5c2198536a3a476355fe59d4",
-        "version" : "1.2.0"
+        "revision" : "e3fde7f9c1fb4db349039796c5c138571c71dadd",
+        "version" : "1.2.1"
       }
     },
     {
diff --git a/README.md b/README.md
index c947f1c..bd08760 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 Endpoints makes it easy to write a type-safe network abstraction layer for any Web-API.
 
-It requires Swift 5, makes heavy use of generics (and generalized existentials) and protocols (and protocol extensions). It also encourages a clean separation of concerns and the use of value types (i.e. structs).
+It requires Swift 6.2+, makes heavy use of generics and protocols (with protocol extensions). It also encourages a clean separation of concerns and the use of value types (i.e. structs). Built for modern Swift concurrency with async/await and actor support.
 
 ## Usage
 
@@ -24,12 +24,9 @@ let client = AnyClient(baseURL: URL(string: "https://api.giphy.com/v1/")!)
 // A call encapsulates the request that is sent to the server and the type that is expected in the response.
 let call = AnyCall<DataResponseParser>(Request(.get, "gifs/random", query: ["tag": "cat", "api_key": "dc6zaTOxFJmzC"]))
 
-// A session wraps `URLSession` and allows you to start the request for the call and get the parsed response object (or an error) in a completion block.
+// A session wraps `URLSession` and allows you to start the request for the call and get the parsed response object (or an error).
 let session = Session(with: client)
 
-// enable debug-mode to log network traffic
-session.debug = true
-
 // start call
 let (body, httpResponse) = try await session.dataTask(for: call)
 ```
@@ -76,8 +73,8 @@ Look up the documentation in the code for further explanations of the types.
 
 ##### Decoding
 
-The `ResponseParser` responsible for handling decodable types is the `JSONParser`.  
-The `JSONParser` uses the default `JSONDecoder()`, however, the `JSONParser` can be subclassed, and the `jsonDecoder` can be overwritten with your configured `JSONDecoder`.
+The `ResponseParser` responsible for handling decodable types is the `JSONParser`.
+The `JSONParser` uses the default `JSONDecoder()` by default, but you can customize it by creating a custom parser with a configured decoder.
 
 ```swift
 // Decode a type using the default decoder
@@ -86,18 +83,26 @@ struct GiphyCall: Call {
     ...
 }
 
-// custom decoder
+// Custom parser with configured decoder
+struct CustomJSONParser<T: Decodable>: ResponseParser {
+    typealias OutputType = T
+
+    let jsonDecoder: JSONDecoder
 
-struct GiphyParser<T>: JSONParser<T> {
-    override public var jsonDecoder: JSONDecoder {
+    init() {
         let decoder = JSONDecoder()
-        // configure...
-        return decoder
+        decoder.dateDecodingStrategy = .iso8601
+        decoder.keyDecodingStrategy = .convertFromSnakeCase
+        self.jsonDecoder = decoder
+    }
+
+    func parse(data: Data, encoding: String.Encoding) throws -> T {
+        try jsonDecoder.decode(T.self, from: data)
     }
 }
 
 struct GiphyCall: Call {
-    typealias Parser = GiphyParser<GiphyGif>
+    typealias Parser = CustomJSONParser<GiphyGif>
     ...
 }
 ```
@@ -131,29 +136,33 @@ A client is responsible for handling things that are common for all operations o
 
 `AnyClient` is the default implementation of the `Client` protocol and can be used as-is or as a starting point for your own dedicated client.
 
-You'll usually need to create your own dedicated client that either subclasses `AnyClient` or delegates the encoding of requests and parsing of responses to an `AnyClient` instance, as done here:
+You'll usually need to create your own dedicated client that implements the `Client` protocol and delegates the encoding of requests and parsing of responses to an `AnyClient` instance, as done here:
 
 ```swift
-class GiphyClient: Client {
-    private let anyClient = AnyClient(baseURL: URL(string: "https://api.giphy.com/v1/")!)
-    
+struct GiphyClient: Client {
+    var client: Client
     var apiKey = "dc6zaTOxFJmzC"
-    
-    override func encode<C>(call: C) async throws -> URLRequest {
-        var request = anyClient.encode(call: call)
-        
+
+    init() {
+        let url = URL(string: "https://api.giphy.com/v1/")!
+        self.client = AnyClient(baseURL: url)
+    }
+
+    func encode(call: some Call) async throws -> URLRequest {
+        var request = try await client.encode(call: call)
+
         // Append the API key to every request
-        request.append(query: ["api_key": apiKey]) 
-        
+        request.append(query: ["api_key": apiKey])
+
         return request
     }
-    
-    override func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
+
+    func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
         where C: Call {
         do {
             // Use `AnyClient` to parse the response
             // If this fails, try to read error details from response body
-            return try await anyClient.parse(sessionTaskResult: result, for: call)
+            return try await client.parse(response: response, data: data, for: call)
         } catch {
             // See if the backend sent detailed error information
             guard
@@ -161,12 +170,12 @@ class GiphyClient: Client {
                 let data,
                 let errorDict = try? JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any],
                 let meta = errorDict?["meta"] as? [String: Any],
-                let errorCode = meta["error_code"] as? String 
+                let errorCode = meta["error_code"] as? String
             else {
                 // no error info from backend -> rethrow default error
                 throw error
             }
-            
+
             // Propagate error that contains errorCode as reason from backend
             throw StatusCodeError.unacceptable(code: response.statusCode, reason: errorCode)
         }
@@ -214,8 +223,8 @@ print("image url: \(body.data.url)")
 
 **Swift Package Manager:**
 
-```bash
-.package(url: "https://github.com/tailoredmedia/Endpoints.git", .upToNextMajor(from: "3.0.0"))
+```swift
+.package(url: "https://github.com/diamirio/Endpoints.git", .upToNextMajor(from: "3.0.0"))
 ```
 
 ## Example
@@ -224,8 +233,9 @@ Example implementation can be found [here](./EndpointsTestbed).
 
 ## Requirements
 
-* Swift 5
-* iOS 13
-* tvOS 12
-* macOS 10.15
-* watchOS 6
+* Swift 6.2+
+* iOS 13+
+* tvOS 12+
+* macOS 10.15+
+* watchOS 6+
+* visionOS 1+

From b1d82e78289986f13b31d0a864d8c99da61b6d6c Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 9 Oct 2025 07:33:32 +0200
Subject: [PATCH 04/18] Removed SwiftFormat from Package dependencies

---
 .github/workflows/swiftformat.yml |  4 +++-
 Package.resolved                  | 11 +----------
 Package.swift                     |  4 +---
 3 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/swiftformat.yml b/.github/workflows/swiftformat.yml
index d81f357..da2a2c2 100644
--- a/.github/workflows/swiftformat.yml
+++ b/.github/workflows/swiftformat.yml
@@ -12,6 +12,8 @@ jobs:
     - uses: maxim-lobanov/setup-xcode@v1
       with:
         xcode-version: '26.0'
+    - name: Install SwiftFromat
+      run: brew install swiftformat
     - name: Check SwiftFromat
-      run: swift run swiftformat . --lint
+      run: swiftformat . --lint
 
diff --git a/Package.resolved b/Package.resolved
index e534118..0145b00 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "8f53f9125394eadf02a9aafd4af63a7efd6c6d7da3c28070ac429a207bf1b97d",
+  "originHash" : "1859cf73baf45095b1a4fbf166f3ec4d682a8c15e5aacd17d83bb369880481b3",
   "pins" : [
     {
       "identity" : "asyncreactor",
@@ -18,15 +18,6 @@
         "revision" : "57a66d3f21ff5564542a6b157838ae97b67447f0",
         "version" : "1.1.0"
       }
-    },
-    {
-      "identity" : "swiftformat",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/nicklockwood/SwiftFormat",
-      "state" : {
-        "revision" : "ad7707bd34a33fa64a2c593c53deaa7d7469e2f0",
-        "version" : "0.52.11"
-      }
     }
   ],
   "version" : 3
diff --git a/Package.swift b/Package.swift
index 433c837..b9367d7 100755
--- a/Package.swift
+++ b/Package.swift
@@ -17,9 +17,7 @@ let package = Package(
             targets: ["Endpoints"]
         )
     ],
-    dependencies: [
-        .package(url: "https://github.com/nicklockwood/SwiftFormat", from: "0.50.4")
-    ],
+    dependencies: [],
     targets: [
         .target(
             name: "Endpoints",

From db7c5b2e91a45efdc8db5f9ae5f72851c13beb26 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 9 Oct 2025 07:38:18 +0200
Subject: [PATCH 05/18] Swift 6 format

---
 Sources/Async/AnyClient.swift                 |  2 +-
 Sources/Async/Client.swift                    |  8 ++--
 Sources/Async/Session.swift                   |  2 +-
 .../Parsing/ResponseParser/JSONParser.swift   |  4 +-
 Sources/Testing/FakeResultProvider.swift      |  2 +-
 Sources/Testing/FakeSession.swift             |  4 +-
 Tests/ClientTests.swift                       | 46 +++++++++----------
 .../Codable/Endpoints+JSONCodableTests.swift  |  7 ++-
 Tests/PostmanEcho/PostmanEchoClient.swift     |  4 +-
 9 files changed, 39 insertions(+), 40 deletions(-)

diff --git a/Sources/Async/AnyClient.swift b/Sources/Async/AnyClient.swift
index 07e2bad..9a72722 100644
--- a/Sources/Async/AnyClient.swift
+++ b/Sources/Async/AnyClient.swift
@@ -5,7 +5,7 @@ import Foundation
 public struct AnyClient: Client {
     /// To satisfy conformance only
     public var client: Client { self }
-    
+
     /// The base URL used by `encode` to convert `Call`s into `URLRequest`s.
     public let baseURL: URL
 
diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index 6d21c9e..da7cd6b 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -6,10 +6,10 @@ import Foundation
 /// A basic implementation is provided by `AnyClient`.
 public protocol Client: ResponseValidator, Sendable {
     var client: Client { get }
-    
+
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
-    func encode<C: Call>(call: C) async throws -> URLRequest
+    func encode(call: some Call) async throws -> URLRequest
 
     /// Converts the `URLSession`s result for a `Call` to
     /// this client's Web API into the expected output type.
@@ -25,7 +25,7 @@ public protocol Client: ResponseValidator, Sendable {
 public extension Client {
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
-    func encode<C: Call>(call: C) async throws -> URLRequest {
+    func encode(call: some Call) async throws -> URLRequest {
         try await client.encode(call: call)
     }
 
@@ -40,7 +40,7 @@ public extension Client {
     ) async throws -> C.Parser.OutputType {
         try await client.parse(response: response, data: data, for: call)
     }
-    
+
     func validate(
         response: HTTPURLResponse?,
         data: Data?
diff --git a/Sources/Async/Session.swift b/Sources/Async/Session.swift
index 0e3062d..2ae8a0a 100644
--- a/Sources/Async/Session.swift
+++ b/Sources/Async/Session.swift
@@ -2,7 +2,7 @@
 
 import Foundation
 #if canImport(OSLog)
-import OSLog
+    import OSLog
 #endif
 
 public actor Session<CL: Client> {
diff --git a/Sources/Parsing/ResponseParser/JSONParser.swift b/Sources/Parsing/ResponseParser/JSONParser.swift
index 4e6b413..d306fc7 100644
--- a/Sources/Parsing/ResponseParser/JSONParser.swift
+++ b/Sources/Parsing/ResponseParser/JSONParser.swift
@@ -8,11 +8,11 @@ public struct JSONParser<T: Decodable>: ResponseParser {
     public typealias OutputType = T
 
     public var jsonDecoder: JSONDecoder
-    
+
     public init() {
         self.jsonDecoder = JSONDecoder()
     }
-    
+
     public func parse(data: Data, encoding _: String.Encoding) throws -> OutputType {
         try jsonDecoder.decode(OutputType.self, from: data)
     }
diff --git a/Sources/Testing/FakeResultProvider.swift b/Sources/Testing/FakeResultProvider.swift
index 48aae56..94c00f4 100644
--- a/Sources/Testing/FakeResultProvider.swift
+++ b/Sources/Testing/FakeResultProvider.swift
@@ -1,5 +1,5 @@
 import Foundation
 
 public protocol FakeResultProvider: Sendable {
-    func data<C: Call>(for call: C) async throws -> (URLResponse, Data)
+    func data(for call: some Call) async throws -> (URLResponse, Data)
 }
diff --git a/Sources/Testing/FakeSession.swift b/Sources/Testing/FakeSession.swift
index 8af2843..a50ee19 100644
--- a/Sources/Testing/FakeSession.swift
+++ b/Sources/Testing/FakeSession.swift
@@ -5,7 +5,7 @@ import Foundation
     import OSLog
 #endif
 //
-//public final class FakeSession<CL: Client>: Session {
+// public final class FakeSession<CL: Client>: Session {
 //    public let client: CL
 //    public let debug: Bool = false
 //    public let resultProvider: FakeResultProvider
@@ -58,4 +58,4 @@ import Foundation
 //            throw EndpointsError(error: error, response: response)
 //        }
 //    }
-//}
+// }
diff --git a/Tests/ClientTests.swift b/Tests/ClientTests.swift
index db768d6..d63fb46 100644
--- a/Tests/ClientTests.swift
+++ b/Tests/ClientTests.swift
@@ -11,7 +11,7 @@ struct ClientTests {
         self.tester = ClientTester(client: AnyClient(baseURL: baseURL))
     }
 
-    @Test func testStatusError() async throws {
+    @Test func statusError() async throws {
         do {
             let call = AnyCall<DataResponseParser>(Request(.get, "status/400"))
             _ = try await tester.performTest(call: call)
@@ -23,14 +23,14 @@ struct ClientTests {
         }
     }
 
-    @Test func testGetData() async throws {
+    @Test func getData() async throws {
         let call = AnyCall<DataResponseParser>(Request(.get, "get"))
         let (_, response) = try await tester.performTest(call: call)
         #expect(response.statusCode == 200)
     }
 
     @MainActor
-    @Test func testGetDataWithCancellation() async throws {
+    @Test func getDataWithCancellation() async throws {
         let task = Task {
             do {
                 let call = AnyCall<DataResponseParser>(Request(.get, "delay/5"))
@@ -50,7 +50,7 @@ struct ClientTests {
     }
 
     @MainActor
-    @Test func testGetDataWithCancellationWhenTaskIsNotStarted() async throws {
+    @Test func getDataWithCancellationWhenTaskIsNotStarted() async throws {
         let task = Task {
             do {
                 let call = AnyCall<DataResponseParser>(Request(.get, "delay/5"))
@@ -67,7 +67,7 @@ struct ClientTests {
         _ = await task.value
     }
 
-    @Test func testPostRawString() async throws {
+    @Test func postRawString() async throws {
         let requestBody = "body"
         let call = AnyCall<DictionaryParser<String, Any>>(Request(
             .post,
@@ -81,7 +81,7 @@ struct ClientTests {
         #expect(headers["Content-Type"] == "raw")
     }
 
-    @Test func testPostString() async throws {
+    @Test func postString() async throws {
         let requestBody = "key=value"
         let call = AnyCall<DictionaryParser<String, Any>>(Request(.post, "post", body: requestBody))
         let (body, _) = try await tester.performTest(call: call)
@@ -90,7 +90,7 @@ struct ClientTests {
         #expect(form["key"] == "value")
     }
 
-    @Test func testPostFormEncodedBody() async throws {
+    @Test func postFormEncodedBody() async throws {
         let params = ["key": "&=?value+*-:_.😀"]
         let requestBody = FormEncodedBody(parameters: params)
         let call = AnyCall<DictionaryParser<String, Any>>(Request(.post, "post", body: requestBody))
@@ -103,14 +103,14 @@ struct ClientTests {
         #expect(headers["Content-Type"] == "application/x-www-form-urlencoded")
     }
 
-    @Test func testPostJSONBody() async throws {
+    @Test func postJSONBody() async throws {
         let params = ["key": "value"]
         let body = try JSONEncodedBody(jsonObject: params)
         let json = try await _testPostJSONBody(body: body)
         #expect(json == params)
     }
 
-    @Test func testPostJSONBodyEncodable() async throws {
+    @Test func postJSONBodyEncodable() async throws {
         let params = ["key": "value"]
         let json = try await _testPostJSONBody(body: JSONEncodedBody(encodable: params))
         #expect(json == params)
@@ -128,14 +128,14 @@ struct ClientTests {
         return json
     }
 
-    @Test func testGetString() async throws {
+    @Test func getString() async throws {
         let c = AnyCall<StringParser>(Request(.get, "get", query: ["inputParam": "inputParamValue"]))
         let (body, response) = try await tester.performTest(call: c)
         #expect(response.statusCode == 200)
         #expect(body.contains("inputParamValue"))
     }
 
-    @Test func testGetJSONDictionary() async throws {
+    @Test func getJSONDictionary() async throws {
         let c = AnyCall<DictionaryParser<String, Any>>(Request(.get, "get", query: ["inputParam": "inputParamValue"]))
         let (body, _) = try await tester.performTest(call: c)
 
@@ -146,7 +146,7 @@ struct ClientTests {
         #expect(param == "inputParamValue")
     }
 
-    @Test func testParseJSONArray() throws {
+    @Test func parseJSONArray() throws {
         let inputArray = ["one", "two", "three"]
         let arrayData = try JSONSerialization.data(withJSONObject: inputArray)
 
@@ -155,7 +155,7 @@ struct ClientTests {
         #expect(inputArray == parsedObject)
     }
 
-    @Test func testFailStringParsing() throws {
+    @Test func failStringParsing() throws {
         let input = "😜 test"
         let data = try #require(input.data(using: .utf8))
 
@@ -164,7 +164,7 @@ struct ClientTests {
         }
     }
 
-    @Test func testFailJSONParsing() async throws {
+    @Test func failJSONParsing() async throws {
         let c = AnyCall<DictionaryParser<String, Any>>(Request(.get, "xml"))
 
         let error = await #expect(throws: EndpointsError.self) {
@@ -179,7 +179,7 @@ struct ClientTests {
         }
     }
 
-    @Test func testTypedRequest() async throws {
+    @Test func typedRequest() async throws {
         let value = "value"
         let c = GetOutput(value: value)
         let (body, _) = try await tester.performTest(call: c)
@@ -190,14 +190,14 @@ struct ClientTests {
         #expect(param == value)
     }
 
-    @Test func testBasicAuth() async throws {
+    @Test func basicAuth() async throws {
         let auth = BasicAuthorization(user: "a", password: "a")
         let c = AnyCall<DataResponseParser>(Request(.get, "basic-auth/a/a", header: auth.header))
         let (_, response) = try await tester.performTest(call: c)
         #expect(response.statusCode == 200)
     }
 
-    @Test func testBasicAuthFail() async throws {
+    @Test func basicAuthFail() async throws {
         let auth = BasicAuthorization(user: "a", password: "b")
         let c = AnyCall<DataResponseParser>(Request(.get, "basic-auth/a/a", header: auth.header))
 
@@ -209,30 +209,30 @@ struct ClientTests {
         #expect(response.statusCode == 401)
     }
 
-    @Test func testSimpleAbsoluteURLCall() async throws {
+    @Test func simpleAbsoluteURLCall() async throws {
         let url = try #require(URL(string: "https://httpbin.org/get?q=a"))
         let c = AnyCall<DataResponseParser>(url)
         let (_, response) = try await tester.performTest(call: c)
         #expect(response.url == url)
     }
 
-    @Test func testSimpleRelativeURLRequestCall() async throws {
+    @Test func simpleRelativeURLRequestCall() async throws {
         let url = try #require(URL(string: "get?q=a"))
         let c = AnyCall<DataResponseParser>(URLRequest(url: url))
         let (_, response) = try await tester.performTest(call: c)
-        let expectedUrl = URL(string: url.relativeString, relativeTo: await tester.session.client.baseURL)?.absoluteURL
+        let expectedUrl = await URL(string: url.relativeString, relativeTo: tester.session.client.baseURL)?.absoluteURL
         #expect(response.url == expectedUrl)
     }
 
-    @Test func testRedirect() async throws {
+    @Test func redirect() async throws {
         let req = Request(.get, "relative-redirect/2", header: ["x": "y"])
         let c = AnyCall<DataResponseParser>(req)
         let (_, response) = try await tester.performTest(call: c)
-        let expectedUrl = URL(string: "get", relativeTo: await tester.session.client.baseURL)?.absoluteURL
+        let expectedUrl = await URL(string: "get", relativeTo: tester.session.client.baseURL)?.absoluteURL
         #expect(response.url == expectedUrl)
     }
 
-    @Test func testNoResponseBody() async throws {
+    @Test func noResponseBody() async throws {
         let c = AnyCall<DataResponseParser>(Request(.get, "status/200"))
         let (_, response) = try await tester.performTest(call: c)
         #expect(response.statusCode == 200)
diff --git a/Tests/Codable/Endpoints+JSONCodableTests.swift b/Tests/Codable/Endpoints+JSONCodableTests.swift
index e39ef85..a670659 100644
--- a/Tests/Codable/Endpoints+JSONCodableTests.swift
+++ b/Tests/Codable/Endpoints+JSONCodableTests.swift
@@ -127,12 +127,11 @@ extension EndpointsJSONCodableTests.Person {
     }
 }
 
-
 struct DateCrashParser<T: Decodable>: ResponseParser {
-    public typealias OutputType = T
-    
+    typealias OutputType = T
+
     let jsonDecoder = EndpointsJSONCodableTests.getDateCrashDecoder()
-    
+
     func parse(data: Data, encoding: String.Encoding) throws -> T {
         try jsonDecoder.decode(OutputType.self, from: data)
     }
diff --git a/Tests/PostmanEcho/PostmanEchoClient.swift b/Tests/PostmanEcho/PostmanEchoClient.swift
index 5fa6290..34f0cc3 100644
--- a/Tests/PostmanEcho/PostmanEchoClient.swift
+++ b/Tests/PostmanEcho/PostmanEchoClient.swift
@@ -5,10 +5,10 @@ import Foundation
 
 public struct PostmanEchoClient: Client {
     public var client: Client
-    
+
     public init() {
         let url = URL(string: "https://postman-echo.com")!
-        client = AnyClient(baseURL: url)
+        self.client = AnyClient(baseURL: url)
     }
 
     struct MyCall: Call {

From f94349bf4489be4b4829c759aed302ed8e308ce0 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 9 Oct 2025 09:41:12 +0200
Subject: [PATCH 06/18] Moved example to another repository

---
 .../project.pbxproj                           | 519 ------------------
 .../contents.xcworkspacedata                  |   7 -
 .../xcshareddata/IDEWorkspaceChecks.plist     |   8 -
 .../xcschemes/EndpointsTestbed.xcscheme       | 111 ----
 .../AccentColor.colorset/Contents.json        |  11 -
 .../AppIcon.appiconset/Contents.json          |  13 -
 .../Assets.xcassets/Contents.json             |   6 -
 EndpointsTestbed/EndpointsTestbed/DI.swift    |  17 -
 .../EndpointsTestbedApp.swift                 |  24 -
 .../ExampleAsyncReactor/ExampleReactor.swift  |  41 --
 .../ExampleReactorView.swift                  |  26 -
 .../ExampleMVVM/ExampleModel.swift            |   5 -
 .../ExampleMVVM/ExampleView.swift             |  25 -
 .../ExampleMVVM/ExampleViewModel.swift        |  36 --
 .../EndpointsTestbed/Networking/API.swift     |  32 --
 .../Networking/HTTPBinClient.swift            |  21 -
 .../Networking/ManipulatedHTTPBinClient.swift |  40 --
 .../Networking/PostmanEchoClient.swift        |  19 -
 .../Preview Assets.xcassets/Contents.json     |   6 -
 .../EndpointsTestbedTests.swift               |  35 --
 Package.resolved                              |  24 -
 README.md                                     |  63 ++-
 22 files changed, 39 insertions(+), 1050 deletions(-)
 delete mode 100644 EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
 delete mode 100644 EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/contents.xcworkspacedata
 delete mode 100644 EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
 delete mode 100644 EndpointsTestbed/EndpointsTestbed.xcodeproj/xcshareddata/xcschemes/EndpointsTestbed.xcscheme
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AccentColor.colorset/Contents.json
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AppIcon.appiconset/Contents.json
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Assets.xcassets/Contents.json
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/DI.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactorView.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleModel.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleView.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Networking/API.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
 delete mode 100644 EndpointsTestbed/EndpointsTestbed/Preview Content/Preview Assets.xcassets/Contents.json
 delete mode 100644 EndpointsTestbed/EndpointsTestbedTests/EndpointsTestbedTests.swift
 delete mode 100644 Package.resolved

diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
deleted file mode 100644
index 666a309..0000000
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,519 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 77;
-	objects = {
-
-/* Begin PBXBuildFile section */
-		8211A84D2AFBDBFD00A36244 /* AsyncReactor in Frameworks */ = {isa = PBXBuildFile; productRef = 8211A84C2AFBDBFD00A36244 /* AsyncReactor */; };
-		82BA531E29DEE73D00F7726A /* Endpoints in Frameworks */ = {isa = PBXBuildFile; productRef = 82BA531D29DEE73D00F7726A /* Endpoints */; };
-		FAD06B6B2E8C1C8C00E87155 /* Injection in Frameworks */ = {isa = PBXBuildFile; productRef = FAD06B6A2E8C1C8C00E87155 /* Injection */; };
-/* End PBXBuildFile section */
-
-/* Begin PBXContainerItemProxy section */
-		82BA52FE29DEE35D00F7726A /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = 82BA52E529DEE35C00F7726A /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = 82BA52EC29DEE35C00F7726A;
-			remoteInfo = EndpointsTestbed;
-		};
-/* End PBXContainerItemProxy section */
-
-/* Begin PBXFileReference section */
-		82BA52ED29DEE35C00F7726A /* EndpointsTestbed.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = EndpointsTestbed.app; sourceTree = BUILT_PRODUCTS_DIR; };
-		82BA52FD29DEE35D00F7726A /* EndpointsTestbedTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = EndpointsTestbedTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
-		82BA531B29DEE38000F7726A /* Endpoints */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = Endpoints; path = ..; sourceTree = "<group>"; };
-/* End PBXFileReference section */
-
-/* Begin PBXFileSystemSynchronizedRootGroup section */
-		FA07EB582E977E6900D9EA84 /* EndpointsTestbed */ = {
-			isa = PBXFileSystemSynchronizedRootGroup;
-			path = EndpointsTestbed;
-			sourceTree = "<group>";
-		};
-		FA07EB672E977E6F00D9EA84 /* EndpointsTestbedTests */ = {
-			isa = PBXFileSystemSynchronizedRootGroup;
-			path = EndpointsTestbedTests;
-			sourceTree = "<group>";
-		};
-/* End PBXFileSystemSynchronizedRootGroup section */
-
-/* Begin PBXFrameworksBuildPhase section */
-		82BA52EA29DEE35C00F7726A /* Frameworks */ = {
-			isa = PBXFrameworksBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				FAD06B6B2E8C1C8C00E87155 /* Injection in Frameworks */,
-				8211A84D2AFBDBFD00A36244 /* AsyncReactor in Frameworks */,
-				82BA531E29DEE73D00F7726A /* Endpoints in Frameworks */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-		82BA52FA29DEE35D00F7726A /* Frameworks */ = {
-			isa = PBXFrameworksBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXFrameworksBuildPhase section */
-
-/* Begin PBXGroup section */
-		82BA52E429DEE35C00F7726A = {
-			isa = PBXGroup;
-			children = (
-				82BA531A29DEE38000F7726A /* Packages */,
-				FA07EB582E977E6900D9EA84 /* EndpointsTestbed */,
-				FA07EB672E977E6F00D9EA84 /* EndpointsTestbedTests */,
-				82BA52EE29DEE35C00F7726A /* Products */,
-				82BA531C29DEE73D00F7726A /* Frameworks */,
-			);
-			sourceTree = "<group>";
-		};
-		82BA52EE29DEE35C00F7726A /* Products */ = {
-			isa = PBXGroup;
-			children = (
-				82BA52ED29DEE35C00F7726A /* EndpointsTestbed.app */,
-				82BA52FD29DEE35D00F7726A /* EndpointsTestbedTests.xctest */,
-			);
-			name = Products;
-			sourceTree = "<group>";
-		};
-		82BA531A29DEE38000F7726A /* Packages */ = {
-			isa = PBXGroup;
-			children = (
-				82BA531B29DEE38000F7726A /* Endpoints */,
-			);
-			name = Packages;
-			sourceTree = "<group>";
-		};
-		82BA531C29DEE73D00F7726A /* Frameworks */ = {
-			isa = PBXGroup;
-			children = (
-			);
-			name = Frameworks;
-			sourceTree = "<group>";
-		};
-/* End PBXGroup section */
-
-/* Begin PBXNativeTarget section */
-		82BA52EC29DEE35C00F7726A /* EndpointsTestbed */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = 82BA531129DEE35D00F7726A /* Build configuration list for PBXNativeTarget "EndpointsTestbed" */;
-			buildPhases = (
-				82BA52E929DEE35C00F7726A /* Sources */,
-				82BA52EA29DEE35C00F7726A /* Frameworks */,
-				82BA52EB29DEE35C00F7726A /* Resources */,
-			);
-			buildRules = (
-			);
-			dependencies = (
-			);
-			fileSystemSynchronizedGroups = (
-				FA07EB582E977E6900D9EA84 /* EndpointsTestbed */,
-			);
-			name = EndpointsTestbed;
-			packageProductDependencies = (
-				82BA531D29DEE73D00F7726A /* Endpoints */,
-				8211A84C2AFBDBFD00A36244 /* AsyncReactor */,
-				FAD06B6A2E8C1C8C00E87155 /* Injection */,
-			);
-			productName = EndpointsTestbed;
-			productReference = 82BA52ED29DEE35C00F7726A /* EndpointsTestbed.app */;
-			productType = "com.apple.product-type.application";
-		};
-		82BA52FC29DEE35D00F7726A /* EndpointsTestbedTests */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = 82BA531429DEE35D00F7726A /* Build configuration list for PBXNativeTarget "EndpointsTestbedTests" */;
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diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 919434a..0000000
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
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-      location = "self:">
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-</Workspace>
diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/EndpointsTestbed/EndpointsTestbed.xcodeproj/xcshareddata/xcschemes/EndpointsTestbed.xcscheme b/EndpointsTestbed/EndpointsTestbed.xcodeproj/xcshareddata/xcschemes/EndpointsTestbed.xcscheme
deleted file mode 100644
index 95a0aef..0000000
--- a/EndpointsTestbed/EndpointsTestbed.xcodeproj/xcshareddata/xcschemes/EndpointsTestbed.xcscheme
+++ /dev/null
@@ -1,111 +0,0 @@
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-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
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-               BlueprintIdentifier = "82BA52EC29DEE35C00F7726A"
-               BuildableName = "EndpointsTestbed.app"
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-               ReferencedContainer = "container:EndpointsTestbed.xcodeproj">
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-            BlueprintIdentifier = "82BA52EC29DEE35C00F7726A"
-            BuildableName = "EndpointsTestbed.app"
-            BlueprintName = "EndpointsTestbed"
-            ReferencedContainer = "container:EndpointsTestbed.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
diff --git a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AccentColor.colorset/Contents.json b/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AccentColor.colorset/Contents.json
deleted file mode 100644
index eb87897..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AccentColor.colorset/Contents.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "colors" : [
-    {
-      "idiom" : "universal"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AppIcon.appiconset/Contents.json b/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AppIcon.appiconset/Contents.json
deleted file mode 100644
index 13613e3..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "platform" : "ios",
-      "size" : "1024x1024"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/Contents.json b/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/Contents.json
deleted file mode 100644
index 73c0059..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Assets.xcassets/Contents.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/DI.swift b/EndpointsTestbed/EndpointsTestbed/DI.swift
deleted file mode 100644
index 782ccde..0000000
--- a/EndpointsTestbed/EndpointsTestbed/DI.swift
+++ /dev/null
@@ -1,17 +0,0 @@
-import Endpoints
-import Foundation
-import Injection
-
-@MainActor
-enum DI {
-    static func register() {
-        let postmanSession = Session(with: PostmanEchoClient())
-        DependencyInjector.register(postmanSession)
-
-        let httpBinSession = Session(with: HTTPBinClient())
-        DependencyInjector.register(httpBinSession)
-
-        let manipulatedHttpBinSession = Session(with: ManipulatedHTTPBinClient())
-        DependencyInjector.register(manipulatedHttpBinSession)
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift b/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
deleted file mode 100644
index 310c9a5..0000000
--- a/EndpointsTestbed/EndpointsTestbed/EndpointsTestbedApp.swift
+++ /dev/null
@@ -1,24 +0,0 @@
-import AsyncReactor
-import SwiftUI
-
-@main
-struct EndpointsTestbedApp: App {
-    init() {
-        DI.register()
-    }
-
-    var body: some Scene {
-        WindowGroup {
-            NavigationStack {
-                List {
-                    Section {
-                        NavigationLink("MVVM", destination: ExampleView())
-                        NavigationLink("AsyncReactor", destination: ReactorView(ExampleReactor()) {
-                            ExampleReactorView()
-                        })
-                    }
-                }
-            }
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift b/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
deleted file mode 100644
index 54307bc..0000000
--- a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactor.swift
+++ /dev/null
@@ -1,41 +0,0 @@
-import AsyncReactor
-import Endpoints
-import Foundation
-import Injection
-
-class ExampleReactor: AsyncReactor {
-    enum Action {
-        case executeRequests
-    }
-
-    struct State {
-        var text = ""
-    }
-
-    @Published
-    private(set) var state = State()
-
-    @Inject
-    var postmanSession: Session<PostmanEchoClient>
-
-    func action(_ action: Action) async {
-        switch action {
-        case .executeRequests:
-            await executeRequest()
-        }
-    }
-
-    private func executeRequest() async {
-        do {
-            let (body, response) = try await postmanSession.dataTask(
-                for: PostmanEchoClient.ExampleGetCall()
-            )
-
-            guard response.statusCode == 200 else { return }
-            state.text = body.url
-        } catch {
-            guard let error = error as? EndpointsError else { return }
-            print(error.response?.statusCode ?? "")
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactorView.swift b/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactorView.swift
deleted file mode 100644
index 79be285..0000000
--- a/EndpointsTestbed/EndpointsTestbed/ExampleAsyncReactor/ExampleReactorView.swift
+++ /dev/null
@@ -1,26 +0,0 @@
-import AsyncReactor
-import SwiftUI
-
-struct ExampleReactorView: View {
-    @EnvironmentObject var reactor: ExampleReactor
-
-    var body: some View {
-        VStack {
-            if reactor.state.text.isEmpty {
-                ProgressView()
-            } else {
-                Text(reactor.state.text)
-                    .font(.headline)
-            }
-        }
-        .onAppear {
-            reactor.send(.executeRequests)
-        }
-    }
-}
-
-#Preview {
-    ReactorView(ExampleReactor()) {
-        ExampleReactorView()
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleModel.swift b/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleModel.swift
deleted file mode 100644
index 701fa8c..0000000
--- a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleModel.swift
+++ /dev/null
@@ -1,5 +0,0 @@
-import Foundation
-
-struct ExampleModel: Codable {
-    var url: String
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleView.swift b/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleView.swift
deleted file mode 100644
index 80186fc..0000000
--- a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleView.swift
+++ /dev/null
@@ -1,25 +0,0 @@
-import SwiftUI
-
-struct ExampleView: View {
-    @StateObject var viewModel = ExampleViewModel()
-
-    var body: some View {
-        VStack {
-            if viewModel.text.isEmpty {
-                ProgressView()
-            } else {
-                Text(viewModel.text)
-                    .font(.headline)
-            }
-        }
-        .onAppear {
-            viewModel.executeRequests()
-        }
-    }
-}
-
-struct ExampleView_Previews: PreviewProvider {
-    static var previews: some View {
-        ExampleView()
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift b/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
deleted file mode 100644
index b0d50e4..0000000
--- a/EndpointsTestbed/EndpointsTestbed/ExampleMVVM/ExampleViewModel.swift
+++ /dev/null
@@ -1,36 +0,0 @@
-import Endpoints
-import Foundation
-import Injection
-
-@MainActor
-class ExampleViewModel: ObservableObject {
-    @Published
-    var text: String = ""
-
-    @Inject
-    var postmanSession: Session<PostmanEchoClient>
-
-    @Inject
-    var manipulatedHttpBinSession: Session<ManipulatedHTTPBinClient>
-
-    func executeRequests() {
-        Task {
-            let (body, response) = try await postmanSession.dataTask(
-                for: PostmanEchoClient.ExampleGetCall()
-            )
-            guard response.statusCode == 200 else { return }
-
-            await MainActor.run {
-                self.text = body.url
-            }
-        }
-
-        Task {
-            let (_, response) = try await manipulatedHttpBinSession.dataTask(
-                for: ManipulatedHTTPBinClient.GetStatusCode(deliveredStatusCode: 220)
-            )
-            guard response.statusCode == 200 else { return }
-            print("Success")
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/API.swift b/EndpointsTestbed/EndpointsTestbed/Networking/API.swift
deleted file mode 100644
index bdd8c75..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Networking/API.swift
+++ /dev/null
@@ -1,32 +0,0 @@
-//
-//  API.swift
-//  EndpointsTestbed
-//
-//  Created by Alexander Kauer on 11.09.25.
-//
-
-import Endpoints
-import Foundation
-
-actor API {
-    var postmanSession: Session<PostmanEchoClient>
-    var httpBinSession: Session<HTTPBinClient>
-    var manipulatedHttpBinSession: Session<ManipulatedHTTPBinClient>
-
-    init() {
-        let postmanClient = PostmanEchoClient()
-        self.postmanSession = Session(with: postmanClient)
-
-        let httpBinClient = HTTPBinClient()
-        self.httpBinSession = Session(with: httpBinClient)
-
-        let manipulatedHttpBinClient = ManipulatedHTTPBinClient()
-        self.manipulatedHttpBinSession = Session(with: manipulatedHttpBinClient)
-    }
-
-    func loadData() async throws -> (ExampleModel, HTTPURLResponse) {
-        try await postmanSession.dataTask(
-            for: PostmanEchoClient.ExampleGetCall()
-        )
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
deleted file mode 100644
index 51b492f..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Networking/HTTPBinClient.swift
+++ /dev/null
@@ -1,21 +0,0 @@
-import Endpoints
-import Foundation
-
-struct HTTPBinClient: Client {
-    var client: Client
-
-    init() {
-        let url = URL(string: "https://httpbin.org/")!
-        self.client = AnyClient(baseURL: url)
-    }
-
-    struct GetStatusCode: Call {
-        let deliveredStatusCode: Int
-
-        typealias Parser = JSONParser<String>
-
-        var request: URLRequestEncodable {
-            Request(.get, "/status/\(deliveredStatusCode)")
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
deleted file mode 100644
index 273bd5a..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Networking/ManipulatedHTTPBinClient.swift
+++ /dev/null
@@ -1,40 +0,0 @@
-import Endpoints
-import Foundation
-
-struct ManipulatedHTTPBinClient: Client {
-    var client: Client
-
-    init() {
-        let url = URL(string: "https://httpbin.org/")!
-        self.client = AnyClient(baseURL: url)
-    }
-
-    func encode(call: some Endpoints.Call) async throws -> URLRequest {
-        // Custom manipulation i.e. OAuth implementation
-        print("- MANIPULATED encode -")
-        return try await client.encode(call: call)
-    }
-
-    func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
-        where C: Call {
-        // Custom manipulation i.e. react on error responses or invalid tokens
-        print("- MANIPULATED parse -")
-        return try await client.parse(response: response, data: data, for: call)
-    }
-
-    func validate(response: HTTPURLResponse?, data: Data?) async throws {
-        // Custom validation if needed
-        print("- MANIPULATED validate -")
-        return try await client.validate(response: response, data: data)
-    }
-
-    struct GetStatusCode: Call {
-        typealias Parser = JSONParser<String>
-
-        let deliveredStatusCode: Int
-
-        var request: URLRequestEncodable {
-            Request(.get, "/status/\(deliveredStatusCode)")
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift b/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
deleted file mode 100644
index d05bf2f..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Networking/PostmanEchoClient.swift
+++ /dev/null
@@ -1,19 +0,0 @@
-import Endpoints
-import Foundation
-
-struct PostmanEchoClient: Client {
-    let client: Client
-
-    init() {
-        let baseURL = URL(string: "https://postman-echo.com")!
-        self.client = AnyClient(baseURL: baseURL)
-    }
-
-    struct ExampleGetCall: Call {
-        typealias Parser = JSONParser<ExampleModel>
-
-        var request: URLRequestEncodable {
-            Request(.get, "/get")
-        }
-    }
-}
diff --git a/EndpointsTestbed/EndpointsTestbed/Preview Content/Preview Assets.xcassets/Contents.json b/EndpointsTestbed/EndpointsTestbed/Preview Content/Preview Assets.xcassets/Contents.json
deleted file mode 100644
index 73c0059..0000000
--- a/EndpointsTestbed/EndpointsTestbed/Preview Content/Preview Assets.xcassets/Contents.json	
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
diff --git a/EndpointsTestbed/EndpointsTestbedTests/EndpointsTestbedTests.swift b/EndpointsTestbed/EndpointsTestbedTests/EndpointsTestbedTests.swift
deleted file mode 100644
index 6fd10fd..0000000
--- a/EndpointsTestbed/EndpointsTestbedTests/EndpointsTestbedTests.swift
+++ /dev/null
@@ -1,35 +0,0 @@
-//
-//  EndpointsTestbedTests.swift
-//  EndpointsTestbedTests
-//
-//  Created by Alexander Kauer on 06.04.23.
-//
-
-@testable import EndpointsTestbed
-import XCTest
-
-final class EndpointsTestbedTests: XCTestCase {
-    override func setUpWithError() throws {
-        // Put setup code here. This method is called before the invocation of each test method in the class.
-    }
-
-    override func tearDownWithError() throws {
-        // Put teardown code here. This method is called after the invocation of each test method in the class.
-    }
-
-    func testExample() throws {
-        // This is an example of a functional test case.
-        // Use XCTAssert and related functions to verify your tests produce the correct results.
-        // Any test you write for XCTest can be annotated as throws and async.
-        // Mark your test throws to produce an unexpected failure when your test encounters an uncaught error.
-        // Mark your test async to allow awaiting for asynchronous code to complete. Check the results with assertions
-        // afterwards.
-    }
-
-    func testPerformanceExample() throws {
-        // This is an example of a performance test case.
-        measure {
-            // Put the code you want to measure the time of here.
-        }
-    }
-}
diff --git a/Package.resolved b/Package.resolved
deleted file mode 100644
index 0145b00..0000000
--- a/Package.resolved
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "originHash" : "1859cf73baf45095b1a4fbf166f3ec4d682a8c15e5aacd17d83bb369880481b3",
-  "pins" : [
-    {
-      "identity" : "asyncreactor",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/diamirio/AsyncReactor",
-      "state" : {
-        "revision" : "e3fde7f9c1fb4db349039796c5c138571c71dadd",
-        "version" : "1.2.1"
-      }
-    },
-    {
-      "identity" : "injection",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/diamirio/Injection",
-      "state" : {
-        "revision" : "57a66d3f21ff5564542a6b157838ae97b67447f0",
-        "version" : "1.1.0"
-      }
-    }
-  ],
-  "version" : 3
-}
diff --git a/README.md b/README.md
index bd08760..84d401b 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,32 @@ Endpoints makes it easy to write a type-safe network abstraction layer for any W
 
 It requires Swift 6.2+, makes heavy use of generics and protocols (with protocol extensions). It also encourages a clean separation of concerns and the use of value types (i.e. structs). Built for modern Swift concurrency with async/await and actor support.
 
+**Key Features:**
+- **Type-safe API**: Strongly typed requests and responses
+- **Swift 6.2+**: Full support for Swift's strict concurrency model
+- **Actor-based Session**: Thread-safe networking with `Session` as an actor
+- **Sendable conformance**: All core protocols require `Sendable` conformance for safe concurrent access
+- **Async/await**: Native async/await support throughout the API
+- **Flexible parsing**: Multiple built-in response parsers with support for custom parsers
+- **JSON Codable**: First-class support for `Codable` types
+
+## Requirements
+
+* Swift 6.2+
+* iOS 13+
+* tvOS 12+
+* macOS 10.15+
+* watchOS 6+
+* visionOS 1+
+
+## Installation
+
+**Swift Package Manager:**
+
+```swift
+.package(url: "https://github.com/diamirio/Endpoints.git", .upToNextMajor(from: "3.0.0"))
+```
+
 ## Usage
 
 ### Basics
@@ -24,7 +50,8 @@ let client = AnyClient(baseURL: URL(string: "https://api.giphy.com/v1/")!)
 // A call encapsulates the request that is sent to the server and the type that is expected in the response.
 let call = AnyCall<DataResponseParser>(Request(.get, "gifs/random", query: ["tag": "cat", "api_key": "dc6zaTOxFJmzC"]))
 
-// A session wraps `URLSession` and allows you to start the request for the call and get the parsed response object (or an error).
+// A session is an actor that wraps `URLSession` and allows you to start the request for the call and get the parsed response object (or an error).
+// Session is an actor, ensuring thread-safe access to URLSession.
 let session = Session(with: client)
 
 // start call
@@ -84,7 +111,8 @@ struct GiphyCall: Call {
 }
 
 // Custom parser with configured decoder
-struct CustomJSONParser<T: Decodable>: ResponseParser {
+// Note: T must be Sendable for Swift 6.2+ concurrency safety
+struct CustomJSONParser<T: Decodable & Sendable>: ResponseParser {
     typealias OutputType = T
 
     let jsonDecoder: JSONDecoder
@@ -113,14 +141,16 @@ Every encodable is able to provide a `JSONEncoder()` to encode itself via the `t
 
 ### Dedicated Calls
 
-`AnyCall` is the default implementation of the `Call` protocol, which you can use as-is. But if you want to make your networking layer really type-safe you'll want to create a dedicated `Call` type for each operation of your Web-API:
+`AnyCall` is the default implementation of the `Call` protocol, which you can use as-is. But if you want to make your networking layer really type-safe you'll want to create a dedicated `Call` type for each operation of your Web-API.
+
+**Note:** All `Call` types must conform to `Sendable` for Swift 6.2+ concurrency safety. Use value types (structs) with sendable properties:
 
 ```swift
 struct GetRandomImage: Call {
     typealias Parser = DictionaryParser<String, Any>
-    
+
     var tag: String
-    
+
     var request: URLRequestEncodable {
         return Request(.get, "gifs/random", query: [ "tag": tag, "api_key": "dc6zaTOxFJmzC" ])
     }
@@ -136,7 +166,9 @@ A client is responsible for handling things that are common for all operations o
 
 `AnyClient` is the default implementation of the `Client` protocol and can be used as-is or as a starting point for your own dedicated client.
 
-You'll usually need to create your own dedicated client that implements the `Client` protocol and delegates the encoding of requests and parsing of responses to an `AnyClient` instance, as done here:
+You'll usually need to create your own dedicated client that implements the `Client` protocol and delegates the encoding of requests and parsing of responses to an `AnyClient` instance, as done here.
+
+**Note:** All `Client` types must conform to `Sendable`. Use structs with sendable properties to ensure thread-safety:
 
 ```swift
 struct GiphyClient: Client {
@@ -219,23 +251,6 @@ let (body, response) = try await session.dataTask(for: call)
 print("image url: \(body.data.url)")
 ```
 
-## Installation
-
-**Swift Package Manager:**
-
-```swift
-.package(url: "https://github.com/diamirio/Endpoints.git", .upToNextMajor(from: "3.0.0"))
-```
-
 ## Example
 
-Example implementation can be found [here](./EndpointsTestbed).
-
-## Requirements
-
-* Swift 6.2+
-* iOS 13+
-* tvOS 12+
-* macOS 10.15+
-* watchOS 6+
-* visionOS 1+
+Example implementation can be found [here](https://github.com/diamirio/Endpoints-Example).

From 61c7b4475da8cc14f51408b20385ad90076471cf Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 30 Oct 2025 07:55:47 +0100
Subject: [PATCH 07/18] Removed testing utils from main target

---
 Sources/Testing/FakeResultProvider.swift      |  5 --
 Sources/Testing/FakeSession.swift             | 61 -------------------
 .../Utils}/FakeHTTPURLResponse.swift          |  2 +
 3 files changed, 2 insertions(+), 66 deletions(-)
 delete mode 100644 Sources/Testing/FakeResultProvider.swift
 delete mode 100644 Sources/Testing/FakeSession.swift
 rename {Sources/Testing => Tests/Utils}/FakeHTTPURLResponse.swift (92%)

diff --git a/Sources/Testing/FakeResultProvider.swift b/Sources/Testing/FakeResultProvider.swift
deleted file mode 100644
index 94c00f4..0000000
--- a/Sources/Testing/FakeResultProvider.swift
+++ /dev/null
@@ -1,5 +0,0 @@
-import Foundation
-
-public protocol FakeResultProvider: Sendable {
-    func data(for call: some Call) async throws -> (URLResponse, Data)
-}
diff --git a/Sources/Testing/FakeSession.swift b/Sources/Testing/FakeSession.swift
deleted file mode 100644
index a50ee19..0000000
--- a/Sources/Testing/FakeSession.swift
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright © 2023 DIAMIR. All Rights Reserved.
-
-import Foundation
-#if canImport(OSLog)
-    import OSLog
-#endif
-//
-// public final class FakeSession<CL: Client>: Session {
-//    public let client: CL
-//    public let debug: Bool = false
-//    public let resultProvider: FakeResultProvider
-//
-//    public init(with client: CL, resultProvider: FakeResultProvider) {
-//        self.client = client
-//        self.resultProvider = resultProvider
-//    }
-//
-//    public func dataTask<C: Call>(
-//        for call: C
-//    ) async throws -> (C.Parser.OutputType, HTTPURLResponse) {
-//        let (response, data) = try await resultProvider.data(for: call)
-//
-//        guard let response = response as? HTTPURLResponse else {
-//            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
-//                Logger.default.debug("no response.")
-//            } else {
-//                os_log("no response.", log: .default, type: .debug)
-//            }
-//
-//            throw EndpointsError(
-//                error: EndpointsParsingError.invalidData(
-//                    description: "Response was not a valid HTTPURLResponse"
-//                ),
-//                response: nil
-//            )
-//        }
-//
-//        if debug {
-//            var message = ""
-//            message += "\(call.request.cURLRepresentation)\n"
-//            message += "\(response.debugDescription)\n"
-//            message += "\(data.debugDescription(encoding: response.stringEncoding))"
-//
-//            if #available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, visionOS 1.0, *) {
-//                Logger.default.debug("\(message, privacy: .private)")
-//            } else {
-//                os_log("%s", log: .default, type: .debug, message)
-//            }
-//        }
-//
-//        do {
-//            try await call.validate(response: response, data: data) // request-specific validation
-//            try await client.validate(response: response, data: data) // global validation
-//
-//            let value = try await client.parse(response: response, data: data, for: call)
-//            return (value, response)
-//        } catch {
-//            throw EndpointsError(error: error, response: response)
-//        }
-//    }
-// }
diff --git a/Sources/Testing/FakeHTTPURLResponse.swift b/Tests/Utils/FakeHTTPURLResponse.swift
similarity index 92%
rename from Sources/Testing/FakeHTTPURLResponse.swift
rename to Tests/Utils/FakeHTTPURLResponse.swift
index 3fd2c42..c2d1d09 100644
--- a/Sources/Testing/FakeHTTPURLResponse.swift
+++ b/Tests/Utils/FakeHTTPURLResponse.swift
@@ -2,6 +2,8 @@
 
 import Foundation
 
+public typealias Parameters = [String: String]
+
 public class FakeHTTPURLResponse: HTTPURLResponse, @unchecked Sendable {
     public init(
         status code: Int = 200,

From 221eae9356e9d5d29f4f3fb519658f2be893982a Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 30 Oct 2025 09:12:33 +0100
Subject: [PATCH 08/18] Changed Client protocol for easier usage

---
 Sources/Async/AnyClient.swift             |  3 --
 Sources/Async/Client.swift                | 54 +++++++++++------------
 Tests/PostmanEcho/PostmanEchoClient.swift |  9 +---
 3 files changed, 29 insertions(+), 37 deletions(-)

diff --git a/Sources/Async/AnyClient.swift b/Sources/Async/AnyClient.swift
index 9a72722..12f01c3 100644
--- a/Sources/Async/AnyClient.swift
+++ b/Sources/Async/AnyClient.swift
@@ -3,9 +3,6 @@
 import Foundation
 
 public struct AnyClient: Client {
-    /// To satisfy conformance only
-    public var client: Client { self }
-
     /// The base URL used by `encode` to convert `Call`s into `URLRequest`s.
     public let baseURL: URL
 
diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index da7cd6b..78fdade 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -5,7 +5,7 @@ import Foundation
 /// A type responsible for encoding and parsing all calls for a given Web API.
 /// A basic implementation is provided by `AnyClient`.
 public protocol Client: ResponseValidator, Sendable {
-    var client: Client { get }
+//    var client: Client { get }
 
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
@@ -22,29 +22,29 @@ public protocol Client: ResponseValidator, Sendable {
     ) async throws -> C.Parser.OutputType
 }
 
-public extension Client {
-    /// Converts a `Call` created for this client's Web API
-    /// into a `URLRequest`.
-    func encode(call: some Call) async throws -> URLRequest {
-        try await client.encode(call: call)
-    }
-
-    /// Converts the `URLSession`s result for a `Call` to
-    /// this client's Web API into the expected output type.
-    ///
-    /// - throws: Any `Error` if `result` is considered invalid.
-    func parse<C: Call>(
-        response: HTTPURLResponse?,
-        data: Data?,
-        for call: C
-    ) async throws -> C.Parser.OutputType {
-        try await client.parse(response: response, data: data, for: call)
-    }
-
-    func validate(
-        response: HTTPURLResponse?,
-        data: Data?
-    ) async throws {
-        try await client.validate(response: response, data: data)
-    }
-}
+// public extension Client {
+//    /// Converts a `Call` created for this client's Web API
+//    /// into a `URLRequest`.
+//    func encode(call: some Call) async throws -> URLRequest {
+//        try await encode(call: call)
+//    }
+//
+//    /// Converts the `URLSession`s result for a `Call` to
+//    /// this client's Web API into the expected output type.
+//    ///
+//    /// - throws: Any `Error` if `result` is considered invalid.
+//    func parse<C: Call>(
+//        response: HTTPURLResponse?,
+//        data: Data?,
+//        for call: C
+//    ) async throws -> C.Parser.OutputType {
+//        try await client.parse(response: response, data: data, for: call)
+//    }
+//
+//    func validate(
+//        response: HTTPURLResponse?,
+//        data: Data?
+//    ) async throws {
+//        try await client.validate(response: response, data: data)
+//    }
+// }
diff --git a/Tests/PostmanEcho/PostmanEchoClient.swift b/Tests/PostmanEcho/PostmanEchoClient.swift
index 34f0cc3..045e4d0 100644
--- a/Tests/PostmanEcho/PostmanEchoClient.swift
+++ b/Tests/PostmanEcho/PostmanEchoClient.swift
@@ -3,13 +3,8 @@
 @testable import Endpoints
 import Foundation
 
-public struct PostmanEchoClient: Client {
-    public var client: Client
-
-    public init() {
-        let url = URL(string: "https://postman-echo.com")!
-        self.client = AnyClient(baseURL: url)
-    }
+public struct PostmanEchoClient {
+    public init() {}
 
     struct MyCall: Call {
         typealias Parser = JSONParser<PostmanEcho>

From 121d240d8369fc9f7a414b042af88f9c9ec6c3db Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 30 Oct 2025 11:52:17 +0100
Subject: [PATCH 09/18] Removed commented client protocol extension

---
 Sources/Async/Client.swift | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index 78fdade..d86a585 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -5,7 +5,6 @@ import Foundation
 /// A type responsible for encoding and parsing all calls for a given Web API.
 /// A basic implementation is provided by `AnyClient`.
 public protocol Client: ResponseValidator, Sendable {
-//    var client: Client { get }
 
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
@@ -21,30 +20,3 @@ public protocol Client: ResponseValidator, Sendable {
         for call: C
     ) async throws -> C.Parser.OutputType
 }
-
-// public extension Client {
-//    /// Converts a `Call` created for this client's Web API
-//    /// into a `URLRequest`.
-//    func encode(call: some Call) async throws -> URLRequest {
-//        try await encode(call: call)
-//    }
-//
-//    /// Converts the `URLSession`s result for a `Call` to
-//    /// this client's Web API into the expected output type.
-//    ///
-//    /// - throws: Any `Error` if `result` is considered invalid.
-//    func parse<C: Call>(
-//        response: HTTPURLResponse?,
-//        data: Data?,
-//        for call: C
-//    ) async throws -> C.Parser.OutputType {
-//        try await client.parse(response: response, data: data, for: call)
-//    }
-//
-//    func validate(
-//        response: HTTPURLResponse?,
-//        data: Data?
-//    ) async throws {
-//        try await client.validate(response: response, data: data)
-//    }
-// }

From faa0efcd18f99ed5ffeccf1ab84fb3bab11609c0 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 30 Oct 2025 11:54:23 +0100
Subject: [PATCH 10/18] Formatting fix

---
 Sources/Async/Client.swift | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index d86a585..1a7cf86 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -5,7 +5,6 @@ import Foundation
 /// A type responsible for encoding and parsing all calls for a given Web API.
 /// A basic implementation is provided by `AnyClient`.
 public protocol Client: ResponseValidator, Sendable {
-
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
     func encode(call: some Call) async throws -> URLRequest

From c7b65b4350f42807a19f04995c9ba40f058e024b Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Fri, 31 Oct 2025 10:39:17 +0100
Subject: [PATCH 11/18] Renamed `AnyClient` to `DefaultClient`

---
 Sources/Async/{AnyClient.swift => DefaultClient.swift} | 2 +-
 Tests/ClientTests.swift                                | 4 ++--
 Tests/Codable/Endpoints+JSONCodableTests.swift         | 4 ++--
 Tests/MultipartTests.swift                             | 2 +-
 Tests/RequestTests.swift                               | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)
 rename Sources/Async/{AnyClient.swift => DefaultClient.swift} (97%)

diff --git a/Sources/Async/AnyClient.swift b/Sources/Async/DefaultClient.swift
similarity index 97%
rename from Sources/Async/AnyClient.swift
rename to Sources/Async/DefaultClient.swift
index 12f01c3..90996d3 100644
--- a/Sources/Async/AnyClient.swift
+++ b/Sources/Async/DefaultClient.swift
@@ -2,7 +2,7 @@
 
 import Foundation
 
-public struct AnyClient: Client {
+public struct DefaultClient: Client {
     /// The base URL used by `encode` to convert `Call`s into `URLRequest`s.
     public let baseURL: URL
 
diff --git a/Tests/ClientTests.swift b/Tests/ClientTests.swift
index d63fb46..002efc8 100644
--- a/Tests/ClientTests.swift
+++ b/Tests/ClientTests.swift
@@ -4,11 +4,11 @@ import Testing
 
 @Suite("Client Tests")
 struct ClientTests {
-    let tester: ClientTester<AnyClient>
+    let tester: ClientTester<DefaultClient>
 
     init() {
         let baseURL = URL(string: "https://nghttp2.org/httpbin/")!
-        self.tester = ClientTester(client: AnyClient(baseURL: baseURL))
+        self.tester = ClientTester(client: DefaultClient(baseURL: baseURL))
     }
 
     @Test func statusError() async throws {
diff --git a/Tests/Codable/Endpoints+JSONCodableTests.swift b/Tests/Codable/Endpoints+JSONCodableTests.swift
index a670659..6251a3f 100644
--- a/Tests/Codable/Endpoints+JSONCodableTests.swift
+++ b/Tests/Codable/Endpoints+JSONCodableTests.swift
@@ -13,7 +13,7 @@ class EndpointsJSONCodableTests: XCTestCase {
     // this test case is relevant, as there is a difference between using [City].parse
     // and parse on the same type, but with the heavy generics use of Endpoints
     func testDecodingArrayViaResponse() async throws {
-        let client = AnyClient(baseURL: URL(string: "www.tailored-apps.com")!)
+        let client = DefaultClient(baseURL: URL(string: "www.tailored-apps.com")!)
         let call = CitiesCall()
 
         let cities = try await client.parse(
@@ -44,7 +44,7 @@ class EndpointsJSONCodableTests: XCTestCase {
     }
 
     func testUsingCustomDecoderAndAnyClient() async throws {
-        let client = AnyClient(baseURL: URL(string: "www.tailored-apps.com")!)
+        let client = DefaultClient(baseURL: URL(string: "www.tailored-apps.com")!)
         let call = PersonCall()
 
         do {
diff --git a/Tests/MultipartTests.swift b/Tests/MultipartTests.swift
index c5c92cd..400a599 100644
--- a/Tests/MultipartTests.swift
+++ b/Tests/MultipartTests.swift
@@ -91,7 +91,7 @@ class MultipartTests: XCTestCase {
             let multipartBody: MultipartBody
         }
 
-        let client = AnyClient(baseURL: URL(string: "https://httpbin.org")!)
+        let client = DefaultClient(baseURL: URL(string: "https://httpbin.org")!)
         let session = Session(with: client)
         let call = PostCall(multipartBody: multipartBody)
 
diff --git a/Tests/RequestTests.swift b/Tests/RequestTests.swift
index 5c9a867..5717c00 100644
--- a/Tests/RequestTests.swift
+++ b/Tests/RequestTests.swift
@@ -40,7 +40,7 @@ class RequestTests: XCTestCase {
         req.url = absoluteURL
         let c = AnyCall<DataResponseParser>(req)
 
-        let urlReq = try await AnyClient(baseURL: URL(string: "http://google.com")!).encode(call: c)
+        let urlReq = try await DefaultClient(baseURL: URL(string: "http://google.com")!).encode(call: c)
 
         XCTAssertEqual(urlReq.url, absoluteURL)
         XCTAssertEqual(urlReq.httpBody, body.requestData)
@@ -101,7 +101,7 @@ extension RequestTests {
     ) async throws -> URLRequest {
         let request = Request(.get, path, query: queryParams)
         let call = AnyCall<DataResponseParser>(request)
-        let client = AnyClient(baseURL: URL(string: baseUrl)!)
+        let client = DefaultClient(baseURL: URL(string: baseUrl)!)
         let urlRequest = try await client.encode(call: call)
 
         let (data, response) = try await URLSession.shared.data(for: urlRequest)

From 82d7773d760288135e6cb82d91e19e85e905bdc0 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Tue, 4 Nov 2025 11:25:22 +0100
Subject: [PATCH 12/18] Renamed `baseURL` to `url`, fixed debug option

---
 Sources/Async/DefaultClient.swift               | 10 +++++-----
 Sources/Async/Session.swift                     |  8 +++++---
 Sources/Parsing/ResponseParser/JSONParser.swift |  2 +-
 Tests/ClientTests.swift                         |  6 +++---
 Tests/Codable/Endpoints+JSONCodableTests.swift  |  4 ++--
 Tests/MultipartTests.swift                      |  2 +-
 Tests/RequestTests.swift                        |  4 ++--
 7 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/Sources/Async/DefaultClient.swift b/Sources/Async/DefaultClient.swift
index 90996d3..6c5bc42 100644
--- a/Sources/Async/DefaultClient.swift
+++ b/Sources/Async/DefaultClient.swift
@@ -4,14 +4,14 @@ import Foundation
 
 public struct DefaultClient: Client {
     /// The base URL used by `encode` to convert `Call`s into `URLRequest`s.
-    public let baseURL: URL
+    public let url: URL
 
     /// Used by `validate` to check if the status code of a response is valid.
     public let statusCodeValidator = StatusCodeValidator()
 
     /// Creates a client with a base URL.
-    public init(baseURL: URL) {
-        self.baseURL = baseURL
+    public init(url: URL) {
+        self.url = url
     }
 
     public func encode(
@@ -19,8 +19,8 @@ public struct DefaultClient: Client {
     ) async throws -> URLRequest {
         var urlRequest = call.request.urlRequest
 
-        if let url = urlRequest.url, url.isRelative {
-            urlRequest.url = URL(string: url.relativeString, relativeTo: baseURL)
+        if let requestUrl = urlRequest.url, requestUrl.isRelative {
+            urlRequest.url = URL(string: requestUrl.relativeString, relativeTo: url)
         }
 
         return urlRequest
diff --git a/Sources/Async/Session.swift b/Sources/Async/Session.swift
index 2ae8a0a..5ea7eec 100644
--- a/Sources/Async/Session.swift
+++ b/Sources/Async/Session.swift
@@ -6,9 +6,9 @@ import Foundation
 #endif
 
 public actor Session<CL: Client> {
-    public let debug = false
-    public let urlSession: URLSession
     public let client: CL
+    public let urlSession: URLSession
+    public let debug: Bool
 
     public init(
         with client: CL,
@@ -16,10 +16,12 @@ public actor Session<CL: Client> {
             configuration: .default,
             delegate: URLSessionDelegateHandler(),
             delegateQueue: nil
-        )
+        ),
+        debug: Bool = false
     ) {
         self.client = client
         self.urlSession = urlSession
+        self.debug = debug
     }
 
     @discardableResult
diff --git a/Sources/Parsing/ResponseParser/JSONParser.swift b/Sources/Parsing/ResponseParser/JSONParser.swift
index d306fc7..44f995f 100644
--- a/Sources/Parsing/ResponseParser/JSONParser.swift
+++ b/Sources/Parsing/ResponseParser/JSONParser.swift
@@ -7,7 +7,7 @@ import Foundation
 public struct JSONParser<T: Decodable>: ResponseParser {
     public typealias OutputType = T
 
-    public var jsonDecoder: JSONDecoder
+    public let jsonDecoder: JSONDecoder
 
     public init() {
         self.jsonDecoder = JSONDecoder()
diff --git a/Tests/ClientTests.swift b/Tests/ClientTests.swift
index 002efc8..20a1061 100644
--- a/Tests/ClientTests.swift
+++ b/Tests/ClientTests.swift
@@ -8,7 +8,7 @@ struct ClientTests {
 
     init() {
         let baseURL = URL(string: "https://nghttp2.org/httpbin/")!
-        self.tester = ClientTester(client: DefaultClient(baseURL: baseURL))
+        self.tester = ClientTester(client: DefaultClient(url: baseURL))
     }
 
     @Test func statusError() async throws {
@@ -220,7 +220,7 @@ struct ClientTests {
         let url = try #require(URL(string: "get?q=a"))
         let c = AnyCall<DataResponseParser>(URLRequest(url: url))
         let (_, response) = try await tester.performTest(call: c)
-        let expectedUrl = await URL(string: url.relativeString, relativeTo: tester.session.client.baseURL)?.absoluteURL
+        let expectedUrl = await URL(string: url.relativeString, relativeTo: tester.session.client.url)?.absoluteURL
         #expect(response.url == expectedUrl)
     }
 
@@ -228,7 +228,7 @@ struct ClientTests {
         let req = Request(.get, "relative-redirect/2", header: ["x": "y"])
         let c = AnyCall<DataResponseParser>(req)
         let (_, response) = try await tester.performTest(call: c)
-        let expectedUrl = await URL(string: "get", relativeTo: tester.session.client.baseURL)?.absoluteURL
+        let expectedUrl = await URL(string: "get", relativeTo: tester.session.client.url)?.absoluteURL
         #expect(response.url == expectedUrl)
     }
 
diff --git a/Tests/Codable/Endpoints+JSONCodableTests.swift b/Tests/Codable/Endpoints+JSONCodableTests.swift
index 6251a3f..b5c9693 100644
--- a/Tests/Codable/Endpoints+JSONCodableTests.swift
+++ b/Tests/Codable/Endpoints+JSONCodableTests.swift
@@ -13,7 +13,7 @@ class EndpointsJSONCodableTests: XCTestCase {
     // this test case is relevant, as there is a difference between using [City].parse
     // and parse on the same type, but with the heavy generics use of Endpoints
     func testDecodingArrayViaResponse() async throws {
-        let client = DefaultClient(baseURL: URL(string: "www.tailored-apps.com")!)
+        let client = DefaultClient(url: URL(string: "www.tailored-apps.com")!)
         let call = CitiesCall()
 
         let cities = try await client.parse(
@@ -44,7 +44,7 @@ class EndpointsJSONCodableTests: XCTestCase {
     }
 
     func testUsingCustomDecoderAndAnyClient() async throws {
-        let client = DefaultClient(baseURL: URL(string: "www.tailored-apps.com")!)
+        let client = DefaultClient(url: URL(string: "www.tailored-apps.com")!)
         let call = PersonCall()
 
         do {
diff --git a/Tests/MultipartTests.swift b/Tests/MultipartTests.swift
index 400a599..af18b9a 100644
--- a/Tests/MultipartTests.swift
+++ b/Tests/MultipartTests.swift
@@ -91,7 +91,7 @@ class MultipartTests: XCTestCase {
             let multipartBody: MultipartBody
         }
 
-        let client = DefaultClient(baseURL: URL(string: "https://httpbin.org")!)
+        let client = DefaultClient(url: URL(string: "https://httpbin.org")!)
         let session = Session(with: client)
         let call = PostCall(multipartBody: multipartBody)
 
diff --git a/Tests/RequestTests.swift b/Tests/RequestTests.swift
index 5717c00..7dd182b 100644
--- a/Tests/RequestTests.swift
+++ b/Tests/RequestTests.swift
@@ -40,7 +40,7 @@ class RequestTests: XCTestCase {
         req.url = absoluteURL
         let c = AnyCall<DataResponseParser>(req)
 
-        let urlReq = try await DefaultClient(baseURL: URL(string: "http://google.com")!).encode(call: c)
+        let urlReq = try await DefaultClient(url: URL(string: "http://google.com")!).encode(call: c)
 
         XCTAssertEqual(urlReq.url, absoluteURL)
         XCTAssertEqual(urlReq.httpBody, body.requestData)
@@ -101,7 +101,7 @@ extension RequestTests {
     ) async throws -> URLRequest {
         let request = Request(.get, path, query: queryParams)
         let call = AnyCall<DataResponseParser>(request)
-        let client = DefaultClient(baseURL: URL(string: baseUrl)!)
+        let client = DefaultClient(url: URL(string: baseUrl)!)
         let urlRequest = try await client.encode(call: call)
 
         let (data, response) = try await URLSession.shared.data(for: urlRequest)

From 9809e085a8f16c6c6bdc194df3f40f91889f099d Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 6 Nov 2025 15:14:31 +0100
Subject: [PATCH 13/18] Default Options for JSONParser

---
 Sources/Parsing/ResponseParser/JSONParser.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Sources/Parsing/ResponseParser/JSONParser.swift b/Sources/Parsing/ResponseParser/JSONParser.swift
index 44f995f..19449c9 100644
--- a/Sources/Parsing/ResponseParser/JSONParser.swift
+++ b/Sources/Parsing/ResponseParser/JSONParser.swift
@@ -11,6 +11,8 @@ public struct JSONParser<T: Decodable>: ResponseParser {
 
     public init() {
         self.jsonDecoder = JSONDecoder()
+        jsonDecoder.dateDecodingStrategy = .iso8601
+        jsonDecoder.keyDecodingStrategy = .convertFromSnakeCase
     }
 
     public func parse(data: Data, encoding _: String.Encoding) throws -> OutputType {

From 8eb0a0726dd89e5c617ec200a3bdb2fe7cf85c6d Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Tue, 25 Nov 2025 14:19:19 +0100
Subject: [PATCH 14/18] Fixed README and documentation

---
 Migration/V4_0_0.md                           | 250 ++++++++++++++++++
 README.md                                     | 191 +++++++++++--
 Sources/Async/Client.swift                    |   2 +-
 Sources/Core/Call.swift                       |   2 +-
 Sources/Core/Request.swift                    |   4 +-
 Sources/Error/EndpointsParsingError.swift     |   2 +-
 .../Codable/Endpoints+JSONCodableTests.swift  |   2 +-
 7 files changed, 422 insertions(+), 31 deletions(-)
 create mode 100644 Migration/V4_0_0.md

diff --git a/Migration/V4_0_0.md b/Migration/V4_0_0.md
new file mode 100644
index 0000000..0c7afe7
--- /dev/null
+++ b/Migration/V4_0_0.md
@@ -0,0 +1,250 @@
+# v4.0.0 - Changelog & Migration Guide
+
+Endpoints 4.0.0 brings full Swift 6.2+ support with strict concurrency compliance, requiring `Sendable` conformance throughout the library and introducing the `Session` actor for thread-safe networking.
+
+## Changelog
+
+### Developer Facing
+
+- **Swift 6.2+ Strict Concurrency**
+  - All core protocols now require `Sendable` conformance
+  - `Session` is now an actor, ensuring thread-safe access to URLSession
+  - All `Call`, `Client`, and `ResponseParser` types must be `Sendable`
+  - `ResponseParser.OutputType` must be `Sendable` for safe concurrent access
+
+- **AnyClient Renamed to DefaultClient**
+  - The `AnyClient` class has been renamed to `DefaultClient` and changed from a class to a struct
+  - `DefaultClient` is now a value type (struct) conforming to `Sendable`
+  - The `open class` pattern for subclassing is no longer supported
+
+- **Client Protocol Changes**
+  - Client protocol now requires `Sendable` conformance
+  - Removed default protocol extensions that previously allowed delegation to an internal `client` property
+  - Custom clients must now implement all methods directly (typically by delegating to a `DefaultClient` instance)
+  - Changed from `func encode<C: Call>(call: C)` to `func encode(call: some Call)` for improved ergonomics
+
+- **Parameter Naming Updates**
+  - `DefaultClient` initializer: `baseURL` parameter renamed to `url`
+  - Example: `DefaultClient(url: myURL)` instead of `DefaultClient(baseURL: myURL)`
+
+- **JSONParser Improvements**
+  - Default `JSONParser` now includes standard configuration:
+    - `dateDecodingStrategy = .iso8601`
+    - `keyDecodingStrategy = .convertFromSnakeCase`
+  - Custom decoder configuration can still be achieved by creating a custom parser
+
+- **Session Changes**
+  - `Session` is now an actor for thread-safe networking
+  - All `Session` methods must be called with `await` from outside the actor context
+  - `debug` parameter added to Session initializer for request/response logging
+
+### Internal
+
+- Updated minimum Swift version requirement to 6.2+
+- Updated CI workflows to use Xcode 26.0 and macOS 15
+- Applied SwiftFormat across the codebase
+- Moved example project to separate repository (Endpoints-Example)
+
+## Migration Guide
+
+### AnyClient → DefaultClient
+
+**Before (3.x):**
+```swift
+let client = AnyClient(baseURL: URL(string: "https://api.example.com")!)
+```
+
+**After (4.x):**
+```swift
+let client = DefaultClient(url: URL(string: "https://api.example.com")!)
+```
+
+### Custom Client Implementation
+
+In 3.x, you could subclass `AnyClient` using the `open class` pattern. In 4.x, you must use composition with a struct.
+
+**Before (3.x):**
+```swift
+class MyAPIClient: AnyClient {
+    var apiKey = "secret"
+
+    override func encode<C: Call>(call: C) async throws -> URLRequest {
+        var request = try await super.encode(call: call)
+        request.addValue(apiKey, forHTTPHeaderField: "API-Key")
+        return request
+    }
+}
+```
+
+**After (4.x):**
+```swift
+struct MyAPIClient: Client {
+    private let client: Client
+    let apiKey = "secret"
+
+    init() {
+        let url = URL(string: "https://api.example.com")!
+        self.client = DefaultClient(url: url)
+    }
+
+    func encode(call: some Call) async throws -> URLRequest {
+        var request = try await client.encode(call: call)
+        request.addValue(apiKey, forHTTPHeaderField: "API-Key")
+        return request
+    }
+
+    func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
+        where C: Call {
+        try await client.parse(response: response, data: data, for: call)
+    }
+
+    func validate(response: HTTPURLResponse?, data: Data?) async throws {
+        try await client.validate(response: response, data: data)
+    }
+}
+```
+
+### Session is Now an Actor
+
+**Before (3.x):**
+```swift
+let session = Session(with: client)
+let (body, response) = try await session.dataTask(for: call)
+```
+
+**After (4.x):**
+```swift
+// Session is now an actor - same usage pattern but with actor isolation
+let session = Session(with: client)
+let (body, response) = try await session.dataTask(for: call)
+
+// If you need debug logging:
+let session = Session(with: client, debug: true)
+```
+
+The syntax remains the same, but `Session` is now actor-isolated. This means:
+- All access is automatically serialized and thread-safe
+- You must use `await` when calling session methods from outside the actor
+- You cannot directly access session properties without `await`
+
+### Sendable Conformance for Custom Types
+
+All custom `Call`, `Client`, and response types must now be `Sendable`.
+
+**Before (3.x):**
+```swift
+struct GetUser: Call {
+    typealias Parser = JSONParser<User>
+    let userId: String
+
+    var request: URLRequestEncodable {
+        Request(.get, "users/\(userId)")
+    }
+}
+
+struct User: Codable {
+    let id: String
+    let name: String
+}
+```
+
+**After (4.x):**
+```swift
+// Call types must be Sendable (structs with Sendable properties are automatically Sendable)
+struct GetUser: Call {
+    typealias Parser = JSONParser<User>
+    let userId: String  // String is Sendable
+
+    var request: URLRequestEncodable {
+        Request(.get, "users/\(userId)")
+    }
+}
+
+// Response types must be Sendable
+struct User: Codable, Sendable {  // Add explicit Sendable conformance
+    let id: String
+    let name: String
+}
+```
+
+**Important:** If your custom types contain non-Sendable properties (like closures, class instances, or other reference types), you'll need to refactor them to use value types or actor-isolated references.
+
+### Custom ResponseParser
+
+**Before (3.x):**
+```swift
+struct CustomParser<T: Decodable>: ResponseParser {
+    typealias OutputType = T
+
+    func parse(data: Data, encoding: String.Encoding) throws -> T {
+        let decoder = JSONDecoder()
+        decoder.dateDecodingStrategy = .iso8601
+        return try decoder.decode(T.self, from: data)
+    }
+}
+```
+
+**After (4.x):**
+```swift
+struct CustomParser<T: Decodable & Sendable>: ResponseParser {  // T must be Sendable
+    typealias OutputType = T  // OutputType is automatically Sendable
+
+    func parse(data: Data, encoding: String.Encoding) throws -> T {
+        let decoder = JSONDecoder()
+        decoder.dateDecodingStrategy = .iso8601
+        return try decoder.decode(T.self, from: data)
+    }
+}
+```
+
+### AnyCall ValidationBlock
+
+The `ValidationBlock` closure type is now marked as `@Sendable`.
+
+**Before (3.x):**
+```swift
+public typealias ValidationBlock = (HTTPURLResponse?, Data?) throws -> Void
+```
+
+**After (4.x):**
+```swift
+public typealias ValidationBlock = @Sendable (HTTPURLResponse?, Data?) throws -> Void
+```
+
+This means any closures passed to `AnyCall` for validation must be `@Sendable`, which requires them to only capture `Sendable` values.
+
+## Common Migration Issues
+
+### Issue: "Type 'MyClient' does not conform to protocol 'Sendable'"
+
+**Solution:** Ensure your client is a struct (value type) and all its stored properties are `Sendable`. If you have reference types, consider using actors or refactoring to value types.
+
+### Issue: "Stored property 'client' of 'Sendable'-conforming struct has non-sendable type"
+
+**Solution:** Make sure any stored clients are themselves `Sendable`. `DefaultClient` is `Sendable`, so storing it works. If you're storing a custom client, ensure it also conforms to `Sendable`.
+
+### Issue: "Cannot pass argument of non-sendable type 'MyModel' to parameter of type 'some Sendable'"
+
+**Solution:** Add `Sendable` conformance to your model types:
+```swift
+struct MyModel: Codable, Sendable {
+    // ...
+}
+```
+
+### Issue: "Expression is 'async' but is not marked with 'await'"
+
+**Solution:** Since `Session` is now an actor, all calls to its methods require `await`:
+```swift
+let (body, response) = try await session.dataTask(for: call)
+```
+
+## Benefits of 4.x
+
+- **Thread Safety:** The actor-based `Session` ensures safe concurrent access to networking
+- **Data Race Prevention:** `Sendable` conformance prevents data races at compile time
+- **Swift 6 Future-Proofing:** Full compatibility with Swift's modern concurrency model
+- **Better Composition:** Struct-based clients encourage better composition patterns over inheritance
+- **Type Safety:** Improved type inference with `some Call` parameter
+
+For more examples, see the [Endpoints-Example](https://github.com/diamirio/Endpoints-Example) repository.
diff --git a/README.md b/README.md
index 84d401b..b9b84ff 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ It requires Swift 6.2+, makes heavy use of generics and protocols (with protocol
 **Swift Package Manager:**
 
 ```swift
-.package(url: "https://github.com/diamirio/Endpoints.git", .upToNextMajor(from: "3.0.0"))
+.package(url: "https://github.com/diamirio/Endpoints.git", .upToNextMajor(from: "4.0.0"))
 ```
 
 ## Usage
@@ -45,7 +45,7 @@ Here's how to load a random image from Giphy.
 
 ```swift
 // A client is responsible for encoding and parsing all calls for a given Web-API.
-let client = AnyClient(baseURL: URL(string: "https://api.giphy.com/v1/")!)
+let client = DefaultClient(url: URL(string: "https://api.giphy.com/v1/")!)
 
 // A call encapsulates the request that is sent to the server and the type that is expected in the response.
 let call = AnyCall<DataResponseParser>(Request(.get, "gifs/random", query: ["tag": "cat", "api_key": "dc6zaTOxFJmzC"]))
@@ -54,7 +54,7 @@ let call = AnyCall<DataResponseParser>(Request(.get, "gifs/random", query: ["tag
 // Session is an actor, ensuring thread-safe access to URLSession.
 let session = Session(with: client)
 
-// start call
+// Start call - returns the parsed body and HTTPURLResponse
 let (body, httpResponse) = try await session.dataTask(for: call)
 ```
 
@@ -96,21 +96,27 @@ Look up the documentation in the code for further explanations of the types.
 
 #### JSON Codable Integration
 
-`Endpoints` has a built in JSON Codable support.
+`Endpoints` has built-in JSON Codable support.
 
 ##### Decoding
 
 The `ResponseParser` responsible for handling decodable types is the `JSONParser`.
-The `JSONParser` uses the default `JSONDecoder()` by default, but you can customize it by creating a custom parser with a configured decoder.
+
+The default `JSONParser` comes pre-configured with:
+- `dateDecodingStrategy = .iso8601`
+- `keyDecodingStrategy = .convertFromSnakeCase`
 
 ```swift
-// Decode a type using the default decoder
+// Decode a type using the default decoder (with iso8601 dates and snake_case conversion)
 struct GiphyCall: Call {
     typealias Parser = JSONParser<GiphyGif>
-    ...
+
+    var request: URLRequestEncodable {
+        Request(.get, "gifs/random", query: ["tag": "cat"])
+    }
 }
 
-// Custom parser with configured decoder
+// If you need different decoder settings, create a custom parser
 // Note: T must be Sendable for Swift 6.2+ concurrency safety
 struct CustomJSONParser<T: Decodable & Sendable>: ResponseParser {
     typealias OutputType = T
@@ -119,8 +125,8 @@ struct CustomJSONParser<T: Decodable & Sendable>: ResponseParser {
 
     init() {
         let decoder = JSONDecoder()
-        decoder.dateDecodingStrategy = .iso8601
-        decoder.keyDecodingStrategy = .convertFromSnakeCase
+        decoder.dateDecodingStrategy = .secondsSince1970
+        decoder.keyDecodingStrategy = .useDefaultKeys
         self.jsonDecoder = decoder
     }
 
@@ -131,7 +137,10 @@ struct CustomJSONParser<T: Decodable & Sendable>: ResponseParser {
 
 struct GiphyCall: Call {
     typealias Parser = CustomJSONParser<GiphyGif>
-    ...
+
+    var request: URLRequestEncodable {
+        Request(.get, "gifs/random", query: ["tag": "cat"])
+    }
 }
 ```
 
@@ -164,27 +173,33 @@ let call = GetRandomImage(tag: "cat")
 
 A client is responsible for handling things that are common for all operations of a given Web-API. Typically this includes appending API tokens or authentication tokens to a request or validating responses and handling errors.
 
-`AnyClient` is the default implementation of the `Client` protocol and can be used as-is or as a starting point for your own dedicated client.
+`DefaultClient` is the default implementation of the `Client` protocol and can be used as-is or as a starting point for your own dedicated client.
 
-You'll usually need to create your own dedicated client that implements the `Client` protocol and delegates the encoding of requests and parsing of responses to an `AnyClient` instance, as done here.
+You'll usually need to create your own dedicated client that implements the `Client` protocol and delegates the encoding of requests and parsing of responses to a `DefaultClient` instance, as done here.
 
 **Note:** All `Client` types must conform to `Sendable`. Use structs with sendable properties to ensure thread-safety:
 
 ```swift
 struct GiphyClient: Client {
-    var client: Client
-    var apiKey = "dc6zaTOxFJmzC"
+    private let client: Client
+    let apiKey = "dc6zaTOxFJmzC"
 
     init() {
         let url = URL(string: "https://api.giphy.com/v1/")!
-        self.client = AnyClient(baseURL: url)
+        self.client = DefaultClient(url: url)
     }
 
     func encode(call: some Call) async throws -> URLRequest {
         var request = try await client.encode(call: call)
 
-        // Append the API key to every request
-        request.append(query: ["api_key": apiKey])
+        // Append the API key to every request's URL
+        if let url = request.url,
+           var components = URLComponents(url: url, resolvingAgainstBaseURL: true) {
+            var queryItems = components.queryItems ?? []
+            queryItems.append(URLQueryItem(name: "api_key", value: apiKey))
+            components.queryItems = queryItems
+            request.url = components.url
+        }
 
         return request
     }
@@ -192,7 +207,7 @@ struct GiphyClient: Client {
     func parse<C>(response: HTTPURLResponse?, data: Data?, for call: C) async throws -> C.Parser.OutputType
         where C: Call {
         do {
-            // Use `AnyClient` to parse the response
+            // Use `DefaultClient` to parse the response
             // If this fails, try to read error details from response body
             return try await client.parse(response: response, data: data, for: call)
         } catch {
@@ -212,29 +227,41 @@ struct GiphyClient: Client {
             throw StatusCodeError.unacceptable(code: response.statusCode, reason: errorCode)
         }
     }
+
+    func validate(response: HTTPURLResponse?, data: Data?) async throws {
+        // Delegate to the default client's validation
+        try await client.validate(response: response, data: data)
+    }
 }
 ```
 
 ### Dedicated Response Types
 
-You usually want your networking layer to provide a dedicated response type for every supported call. In our example this could look  like this:
+You usually want your networking layer to provide a dedicated response type for every supported call. In our example this could look like this:
+
+**Note:** Response types must conform to `Sendable` for Swift 6.2+ concurrency safety:
 
 ```swift
-struct RandomImage: Decodable {
-    struct Data: Decodable {
+struct RandomImage: Decodable, Sendable {
+    struct Data: Decodable, Sendable {
         let url: URL
-        
+
         private enum CodingKeys: String, CodingKey {
             case url = "image_url"
         }
     }
-    
+
     let data: Data
 }
 
 struct GetRandomImage: Call {
     typealias Parser = JSONParser<RandomImage>
-    ...
+
+    var tag: String
+
+    var request: URLRequestEncodable {
+        Request(.get, "gifs/random", query: ["tag": tag])
+    }
 }
 ```
 
@@ -254,3 +281,117 @@ print("image url: \(body.data.url)")
 ## Example
 
 Example implementation can be found [here](https://github.com/diamirio/Endpoints-Example).
+
+## Migration Guides
+
+If you're upgrading from a previous version, please refer to the migration guides:
+
+- [Migrating from 3.x to 4.x](Migration/V4_0_0.md) - Swift 6.2+ strict concurrency, `AnyClient` → `DefaultClient`, and more
+- [Migrating from 2.x to 3.x](Migration/V3_0_0.md) - Native async/await APIs
+- [Migrating from 1.x to 2.x](Migration/V2_0_0.md)
+
+## Advanced Features
+
+### Debug Logging
+
+Enable debug logging to see detailed request and response information:
+
+```swift
+let session = Session(with: client, debug: true)
+```
+
+This will log:
+- cURL representation of the request
+- Response status and headers
+- Response body data
+
+### Request Body Encoding
+
+Endpoints supports multiple body encoding strategies:
+
+```swift
+// JSON encoded body
+let jsonBody = try JSONEncodedBody(encodable: myModel)
+let request = Request(.post, "users", body: jsonBody)
+
+// Form-urlencoded body
+let formBody = FormEncodedBody(parameters: ["username": "john", "password": "secret"])
+let request = Request(.post, "login", body: formBody)
+
+// Multipart form data (for file uploads)
+let multipartBody = MultipartBody(parts: [
+    MultipartBody.Part(name: "avatar", data: imageData, filename: "profile.jpg", mimeType: "image/jpeg"),
+    MultipartBody.Part(name: "name", data: "John Doe".data(using: .utf8)!)
+])
+let request = Request(.post, "upload", body: multipartBody)
+```
+
+### Custom Validation
+
+Both `Call` and `Client` can implement custom validation logic:
+
+```swift
+struct MyCall: Call {
+    typealias Parser = JSONParser<MyResponse>
+
+    var request: URLRequestEncodable {
+        Request(.get, "data")
+    }
+
+    // Custom validation for this specific call
+    func validate(response: HTTPURLResponse?, data: Data?) throws {
+        guard let response = response else { return }
+
+        // Require a specific header for this call
+        guard response.value(forHTTPHeaderField: "X-Custom-Header") != nil else {
+            throw MyError.missingHeader
+        }
+    }
+}
+
+struct MyClient: Client {
+    private let client: Client
+
+    init() {
+        self.client = DefaultClient(url: URL(string: "https://api.example.com")!)
+    }
+
+    // ... encode and parse implementations ...
+
+    // Custom validation for all calls using this client
+    func validate(response: HTTPURLResponse?, data: Data?) async throws {
+        // First, do the default validation
+        try await client.validate(response: response, data: data)
+
+        // Then add custom validation
+        guard let response = response else { return }
+
+        // Example: Check for maintenance mode
+        if response.statusCode == 503 {
+            throw MaintenanceError()
+        }
+    }
+}
+```
+
+### Error Handling
+
+Endpoints wraps all errors in `EndpointsError`, which includes the `HTTPURLResponse` if available:
+
+```swift
+do {
+    let (body, response) = try await session.dataTask(for: call)
+    // Handle success
+} catch let error as EndpointsError {
+    // Access the underlying error
+    print("Error: \(error.error)")
+
+    // Access the HTTP response if available
+    if let response = error.response {
+        print("Status code: \(response.statusCode)")
+    }
+} catch {
+    // Handle other errors
+    print("Unexpected error: \(error)")
+}
+```
diff --git a/Sources/Async/Client.swift b/Sources/Async/Client.swift
index 1a7cf86..8478a05 100644
--- a/Sources/Async/Client.swift
+++ b/Sources/Async/Client.swift
@@ -3,7 +3,7 @@
 import Foundation
 
 /// A type responsible for encoding and parsing all calls for a given Web API.
-/// A basic implementation is provided by `AnyClient`.
+/// A basic implementation is provided by `DefaultClient`.
 public protocol Client: ResponseValidator, Sendable {
     /// Converts a `Call` created for this client's Web API
     /// into a `URLRequest`.
diff --git a/Sources/Core/Call.swift b/Sources/Core/Call.swift
index 6832af8..e8dbbb9 100644
--- a/Sources/Core/Call.swift
+++ b/Sources/Core/Call.swift
@@ -35,7 +35,7 @@ import Foundation
 ///
 /// Adopts `ResponseValidator`, so you can override `validate` if
 /// you want to validate the response for a specific `Call` type.
-/// `AnyClient` will use this method to validate the response of the calls
+/// `Session` will use this method to validate the response of the calls
 /// request before using its `Parser` to parse it.
 ///
 /// - seealso: `Client`, `Session`, `DataParser`, `Request`
diff --git a/Sources/Core/Request.swift b/Sources/Core/Request.swift
index b6dba0c..ea5fb3f 100644
--- a/Sources/Core/Request.swift
+++ b/Sources/Core/Request.swift
@@ -51,9 +51,9 @@ public struct Request: URLRequestEncodable {
 public extension URL {
     /// `true` if `self` has no scheme.
     ///
-    /// - note: Used by `AnyClient.encode` to determine if a `URLRequest` should be
+    /// - note: Used by `DefaultClient.encode` to determine if a `URLRequest` should be
     /// encoded using `self` alone (when `false`) or in combination with
-    /// its `baseURL` (when `true`).
+    /// its base URL (when `true`).
     var isRelative: Bool {
         scheme == nil
     }
diff --git a/Sources/Error/EndpointsParsingError.swift b/Sources/Error/EndpointsParsingError.swift
index 53ebf6c..5c7af10 100644
--- a/Sources/Error/EndpointsParsingError.swift
+++ b/Sources/Error/EndpointsParsingError.swift
@@ -6,7 +6,7 @@ import Foundation
 public enum EndpointsParsingError: LocalizedError {
     /// `Data` is missing.
     ///
-    /// Thrown by `AnyClient.parse` when the response data is `nil`.
+    /// Thrown by `DefaultClient.parse` when the response data is `nil`.
     case missingData
 
     /// `Data` is in an invalid format.
diff --git a/Tests/Codable/Endpoints+JSONCodableTests.swift b/Tests/Codable/Endpoints+JSONCodableTests.swift
index b5c9693..1357330 100644
--- a/Tests/Codable/Endpoints+JSONCodableTests.swift
+++ b/Tests/Codable/Endpoints+JSONCodableTests.swift
@@ -43,7 +43,7 @@ class EndpointsJSONCodableTests: XCTestCase {
         }
     }
 
-    func testUsingCustomDecoderAndAnyClient() async throws {
+    func testUsingCustomDecoderAndDefaultClient() async throws {
         let client = DefaultClient(url: URL(string: "www.tailored-apps.com")!)
         let call = PersonCall()
 

From f825dcab6363728a2fbba30d56b4671164c13289 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Tue, 25 Nov 2025 14:36:05 +0100
Subject: [PATCH 15/18] Clarified documentation and fixed async for validation
 documentation

---
 README.md                                           | 2 +-
 Sources/Core/Call.swift                             | 2 +-
 Sources/ResponseValidator/StatusCodeValidator.swift | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index b9b84ff..38ab8bc 100644
--- a/README.md
+++ b/README.md
@@ -339,7 +339,7 @@ struct MyCall: Call {
     }
 
     // Custom validation for this specific call
-    func validate(response: HTTPURLResponse?, data: Data?) throws {
+    func validate(response: HTTPURLResponse?, data: Data?) async throws {
         guard let response = response else { return }
 
         // Require a specific header for this call
diff --git a/Sources/Core/Call.swift b/Sources/Core/Call.swift
index e8dbbb9..eadd64a 100644
--- a/Sources/Core/Call.swift
+++ b/Sources/Core/Call.swift
@@ -50,5 +50,5 @@ public extension Call {
     func validate(
         response _: HTTPURLResponse?,
         data _: Data?
-    ) throws { /* no validation by default */ }
+    ) async throws { /* no validation by default */ }
 }
diff --git a/Sources/ResponseValidator/StatusCodeValidator.swift b/Sources/ResponseValidator/StatusCodeValidator.swift
index d896d0f..82bd756 100644
--- a/Sources/ResponseValidator/StatusCodeValidator.swift
+++ b/Sources/ResponseValidator/StatusCodeValidator.swift
@@ -14,7 +14,7 @@ public final class StatusCodeValidator: ResponseValidator {
     public func validate(
         response: HTTPURLResponse?,
         data _: Data?
-    ) throws {
+    ) async throws {
         if let code = response?.statusCode,
            !isAcceptableStatus(code: code) {
             throw StatusCodeError.unacceptable(code: code, reason: nil)

From 72ef311be40f1b8cb6b95d755df5dba70610e38d Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Thu, 27 Nov 2025 09:53:10 +0100
Subject: [PATCH 16/18] Fixed missing await statement

---
 Sources/Async/DefaultClient.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/Async/DefaultClient.swift b/Sources/Async/DefaultClient.swift
index 6c5bc42..3a62d14 100644
--- a/Sources/Async/DefaultClient.swift
+++ b/Sources/Async/DefaultClient.swift
@@ -42,6 +42,6 @@ public struct DefaultClient: Client {
         response: HTTPURLResponse?,
         data: Data?
     ) async throws {
-        try statusCodeValidator.validate(response: response, data: data)
+        try await statusCodeValidator.validate(response: response, data: data)
     }
 }

From d69d9b4d6c739707d8eb7ef3a2122ad4eada8085 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Mon, 1 Dec 2025 09:16:02 +0100
Subject: [PATCH 17/18] make convenience utils only internally available

---
 Sources/Core/Request.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Sources/Core/Request.swift b/Sources/Core/Request.swift
index ea5fb3f..9489078 100644
--- a/Sources/Core/Request.swift
+++ b/Sources/Core/Request.swift
@@ -48,7 +48,7 @@ public struct Request: URLRequestEncodable {
     }
 }
 
-public extension URL {
+extension URL {
     /// `true` if `self` has no scheme.
     ///
     /// - note: Used by `DefaultClient.encode` to determine if a `URLRequest` should be
@@ -57,7 +57,9 @@ public extension URL {
     var isRelative: Bool {
         scheme == nil
     }
-
+}
+    
+public extension URL {
     /// Creates a relative URL with a given `path` and `query` Dictionary.
     init(path: String?, query: Parameters?) {
         var components = URLComponents()

From 71592bf59e1ed9d499f500603b01d809aacdc887 Mon Sep 17 00:00:00 2001
From: Alexander Kauer <contact@kaulex.dev>
Date: Mon, 1 Dec 2025 09:16:48 +0100
Subject: [PATCH 18/18] Applied format

---
 Sources/Core/Request.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/Core/Request.swift b/Sources/Core/Request.swift
index 9489078..a927f0e 100644
--- a/Sources/Core/Request.swift
+++ b/Sources/Core/Request.swift
@@ -58,7 +58,7 @@ extension URL {
         scheme == nil
     }
 }
-    
+
 public extension URL {
     /// Creates a relative URL with a given `path` and `query` Dictionary.
     init(path: String?, query: Parameters?) {