diff --git a/lib/beyond_api/connection.rb b/lib/beyond_api/connection.rb
index a35360e..2d8c73c 100644
--- a/lib/beyond_api/connection.rb
+++ b/lib/beyond_api/connection.rb
@@ -8,24 +8,25 @@ module Connection
     def get(path, params = {})
       parsed_response agent.get(path, params)
     end
-    
+
     def post(path, body = {}, params = {})
-    response = agent.post(path, body) do |request|
-      request.params = params
+      response = agent.post(path, body) do |request|
+        request.params = params
+        request.body = parsed_body(body)
+      end
+      parsed_response(response)
     end
-    parsed_response(response)
-  end
 
-  def delete(path, params = {})
-    parsed_response agent.delete(path, params)
-  end
+    def delete(path, params = {})
+      parsed_response agent.delete(path, params)
+    end
 
     private
 
     def parsed_response(response)
       Response.new(response).handle
     end
-    
+
     def parsed_body(body)
       Utils.camelize_keys(body)
     end
diff --git a/lib/beyond_api/services/authentication/signer.rb b/lib/beyond_api/services/authentication/signer.rb
new file mode 100644
index 0000000..2e67b2d
--- /dev/null
+++ b/lib/beyond_api/services/authentication/signer.rb
@@ -0,0 +1,17 @@
+module BeyondApi
+  module Authentication
+    class Signer < BaseService
+      def all(params = {})
+        get("signers", params)
+      end
+
+      def create
+        post("signers")
+      end
+
+      def destroy(id)
+        delete("signers/#{id}")
+      end
+    end
+  end
+end
diff --git a/lib/beyond_api/services/webhook/subscription.rb b/lib/beyond_api/services/webhook/subscription.rb
new file mode 100644
index 0000000..349f80f
--- /dev/null
+++ b/lib/beyond_api/services/webhook/subscription.rb
@@ -0,0 +1,27 @@
+module BeyondApi
+  module Webhook
+    class Subscription < BaseService
+      def all(params = {})
+        get("webhook-subscriptions", params)
+      end
+
+      def create(body)
+        post("webhook-subscriptions", body)
+      end
+
+      def delete_all
+        all.dig(:embedded, :subscriptions).each do |subscription|
+          destroy(subscription[:id])
+        end
+      end
+
+      def destroy(id)
+        delete("webhook-subscriptions/#{id}")
+      end
+
+      def find(id)
+        get("webhook-subscriptions/#{id}")
+      end
+    end
+  end
+end