diff --git a/Xablu.WebApiClient/IRestApiClient.cs b/Xablu.WebApiClient/IRestApiClient.cs
index 35eaf2c..d457a8d 100644
--- a/Xablu.WebApiClient/IRestApiClient.cs
+++ b/Xablu.WebApiClient/IRestApiClient.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
@@ -49,5 +49,8 @@ Task<IRestApiResult<TResult>> DeleteAsync<TResult>(
             IList<KeyValuePair<string, string>> headers = null,
             IHttpResponseResolver httpResponseResolver = null,
             CancellationToken cancellationToken = default(CancellationToken));
+
+        void ConfigureOptions(RestApiClientOptions options);
+        void ChangeBaseAddress(string newBaseAdress);
     }
 }
\ No newline at end of file
diff --git a/Xablu.WebApiClient/RestApiClient.cs b/Xablu.WebApiClient/RestApiClient.cs
index 8e1347c..ad6448c 100644
--- a/Xablu.WebApiClient/RestApiClient.cs
+++ b/Xablu.WebApiClient/RestApiClient.cs
@@ -12,7 +12,7 @@ namespace Xablu.WebApiClient
     public class RestApiClient
         : IRestApiClient
     {
-        private readonly RestApiClientOptions _restApiClientOptions;
+        private RestApiClientOptions _restApiClientOptions;
 
         private bool _isDisposed;
         private Lazy<HttpClient> _explicit;
@@ -23,14 +23,24 @@ public class RestApiClient
         public RestApiClient(string apiBaseAddress)
         {
             _restApiClientOptions = new RestApiClientOptions(apiBaseAddress);
-
             Initialize();
         }
 
         public RestApiClient(RestApiClientOptions options)
         {
             _restApiClientOptions = options ?? throw new ArgumentNullException(nameof(options));
+            Initialize();
+        }
+
+        public void ConfigureOptions(RestApiClientOptions options)
+        {
+            _restApiClientOptions = options;
+            Initialize();
+        }
 
+        public void ChangeBaseAddress(string newBaseAdress)
+        {
+            _restApiClientOptions.ApiBaseAddress = newBaseAdress;
             Initialize();
         }
 
diff --git a/Xablu.WebApiClient/RestApiClientOptions.cs b/Xablu.WebApiClient/RestApiClientOptions.cs
index 3354730..1b25de2 100644
--- a/Xablu.WebApiClient/RestApiClientOptions.cs
+++ b/Xablu.WebApiClient/RestApiClientOptions.cs
@@ -1,4 +1,4 @@
-using Newtonsoft.Json;
+using Newtonsoft.Json;
 using System.Collections.Generic;
 using Xablu.WebApiClient.Resolvers;
 using System.Net.Http;
@@ -21,7 +21,7 @@ public RestApiClientOptions(string apiBaseAddress)
         /// An example could be "https://www.xablu.com". The base address will be appended in front of the 'path' value which
         /// is supplied with every HTTP request. 
         /// </remarks>
-        public string ApiBaseAddress { get; }
+        public string ApiBaseAddress { get; set; }
 
         /// <summary>
         /// Gets or sets a delegate which will instantiate an instance of <see cref="HttpMessageHandler"/> class used to process the HTTP requests.