diff --git a/lib/cloudflare/certificates.rb b/lib/cloudflare/certificates.rb
new file mode 100644
index 0000000..228c24a
--- /dev/null
+++ b/lib/cloudflare/certificates.rb
@@ -0,0 +1,25 @@
+require_relative 'representation'
+require_relative 'paginate'
+
+module Cloudflare
+
+	class Certificate < Representation
+    def certificate
+      result[:certificate]
+    end
+	end
+
+	class Certificates < Representation
+		include Paginate
+
+		def representation
+			Certificate
+		end
+
+		def create(csr_pem, hostnames, request_type = 'origin-rsa', requested_validity = 5475)
+      attrs =
+        {csr: csr_pem, request_type: request_type, hostnames: hostnames, requested_validity: requested_validity}
+			represent_message(self.post(attrs))
+		end
+	end
+end
diff --git a/lib/cloudflare/connection.rb b/lib/cloudflare/connection.rb
index 20eb721..b3e42f8 100644
--- a/lib/cloudflare/connection.rb
+++ b/lib/cloudflare/connection.rb
@@ -12,9 +12,11 @@
 
 require "async/rest/resource"
 
+require_relative "i_ps"
 require_relative "zones"
 require_relative "accounts"
 require_relative "user"
+require_relative "certificates"
 
 module Cloudflare
 	class Connection < Async::REST::Resource
@@ -36,6 +38,10 @@ def authenticated(token: nil, key: nil, email: nil)
 			
 			self.with(headers: headers)
 		end
+
+    def cidrs(ipv: nil)
+      IPs.new(self.with(path: 'ips')).cidrs(ipv: ipv)
+    end
 		
 		def zones
 			Zones.new(self.with(path: "zones/"))
@@ -48,5 +54,9 @@ def accounts
 		def user
 			User.new(self.with(path: "user"))
 		end
+
+    def certificates
+      with(Certificates, path: 'certificates')
+    end
 	end
 end
diff --git a/lib/cloudflare/i_ps.rb b/lib/cloudflare/i_ps.rb
new file mode 100644
index 0000000..0de35e8
--- /dev/null
+++ b/lib/cloudflare/i_ps.rb
@@ -0,0 +1,13 @@
+require_relative 'representation'
+
+module Cloudflare
+	class IPs < Representation
+    def cidrs(ipv: nil)
+      if ipv
+        result[:"ipv#{ipv}_cidrs"]
+      else
+        result[:ipv4_cidrs].to_a + result[:ipv6_cidrs].to_a
+      end
+		end
+	end
+end