diff --git a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/communicationservicessiprouting.json b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/communicationservicessiprouting.json
index cb640b65f869..f1bcdf1c2d57 100644
--- a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/communicationservicessiprouting.json
+++ b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/communicationservicessiprouting.json
@@ -556,7 +556,7 @@
     },
     "apiKey": {
       "type": "apiKey",
-      "name": "Authorization",
+      "name": "access_key",
       "in": "header",
       "description": "An authentication string containing a signature generated using HMAC-SHA256 scheme."
     }
@@ -565,7 +565,9 @@
     {
       "azure_auth": [
         "user_impersonation"
-      ],
+      ]
+    },
+    {
       "apiKey": []
     }
   ],
diff --git a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfiguration.json b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfiguration.json
index 062b847eff1f..e680ca8ae5c0 100644
--- a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfiguration.json
+++ b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfiguration.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "api-version": "2023-04-01-preview",
-    "endpoint": "https://resourcename.communication.azure.com/"
+    "endpoint": "https://resourcename.communication.azure.com"
   },
   "responses": {
     "200": {
diff --git a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfigurationWithExpand.json b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfigurationWithExpand.json
index 8c56d125773d..ff70f8cdbbbb 100644
--- a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfigurationWithExpand.json
+++ b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/GetSipConfigurationWithExpand.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "api-version": "2023-04-01-preview",
-    "endpoint": "https://resourcename.communication.azure.com/",
+    "endpoint": "https://resourcename.communication.azure.com",
     "expand": "trunks/health"
   },
   "responses": {
diff --git a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/UpdateSipConfiguration.json b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/UpdateSipConfiguration.json
index 51b59576ac45..c14e60f87bce 100644
--- a/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/UpdateSipConfiguration.json
+++ b/specification/communication/data-plane/SipRouting/preview/2023-04-01-preview/examples/UpdateSipConfiguration.json
@@ -32,7 +32,7 @@
         }
       ]
     },
-    "endpoint": "https://resourcename.communication.azure.com/"
+    "endpoint": "https://resourcename.communication.azure.com"
   },
   "responses": {
     "200": {
diff --git a/specification/communication/data-plane/SipRouting/stable/2023-03-01/communicationservicessiprouting.json b/specification/communication/data-plane/SipRouting/stable/2023-03-01/communicationservicessiprouting.json
index 78f87705ce27..d6afc76e97a9 100644
--- a/specification/communication/data-plane/SipRouting/stable/2023-03-01/communicationservicessiprouting.json
+++ b/specification/communication/data-plane/SipRouting/stable/2023-03-01/communicationservicessiprouting.json
@@ -237,7 +237,7 @@
     },
     "apiKey": {
       "type": "apiKey",
-      "name": "Authorization",
+      "name": "access_key",
       "in": "header",
       "description": "An authentication string containing a signature generated using HMAC-SHA256 scheme."
     }
@@ -246,7 +246,9 @@
     {
       "azure_auth": [
         "user_impersonation"
-      ],
+      ]
+    },
+    {
       "apiKey": []
     }
   ],
diff --git a/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/GetSipConfiguration.json b/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/GetSipConfiguration.json
index 0d4a44ea407b..bbc65b4a5511 100644
--- a/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/GetSipConfiguration.json
+++ b/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/GetSipConfiguration.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "api-version": "2023-03-01",
-    "endpoint": "https://resourcename.communication.azure.com/"
+    "endpoint": "https://resourcename.communication.azure.com"
   },
   "responses": {
     "200": {
diff --git a/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/UpdateSipConfiguration.json b/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/UpdateSipConfiguration.json
index 55ee1e6d406c..4465ede97f67 100644
--- a/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/UpdateSipConfiguration.json
+++ b/specification/communication/data-plane/SipRouting/stable/2023-03-01/examples/UpdateSipConfiguration.json
@@ -18,7 +18,7 @@
         }
       ]
     },
-    "endpoint": "https://resourcename.communication.azure.com/"
+    "endpoint": "https://resourcename.communication.azure.com"
   },
   "responses": {
     "200": {