diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/readme.nodejs.md b/specification/cognitiveservices/data-plane/TextAnalytics/readme.nodejs.md
index 34827eec4fc2..a8d252e8a841 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/readme.nodejs.md
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/readme.nodejs.md
@@ -8,7 +8,6 @@ nodejs:
   package-name: azure-cognitiveservices-textanalytics
   package-version: 1.0.0
   output-folder: $(node-sdks-folder)/lib/services/textAnalytics
-  override-client-name: TextAnalyticsAPIClient
   azure-arm: false
   generate-license-txt: true
   generate-package-json: true
diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/TextAnalytics.json b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/TextAnalytics.json
index 7ec0a0a41ce3..49ac6a85f00a 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/TextAnalytics.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/TextAnalytics.json
@@ -22,11 +22,15 @@
       "apim_key": []
     }
   ],
-  "host": "api.cognitive.microsoft.com",
-  "basePath": "/text/analytics/v2.0",
-  "schemes": [
-    "https"
-  ],
+  "x-ms-parameterized-host": {
+    "hostTemplate": "{Endpoint}/text/analytics/v2.0",
+    "useSchemePrefix": false,
+    "parameters": [
+      {
+        "$ref": "#/parameters/Endpoint"
+      }
+    ]
+  },
   "paths": {
     "/keyPhrases": {
       "post": {
@@ -572,5 +576,16 @@
         }
       }
     }
+  },
+  "parameters": {
+    "Endpoint": {
+      "name": "Endpoint",
+      "description": "Supported Cognitive Services endpoints (protocol and hostname, for example: https://westus.api.cognitive.microsoft.com).",
+      "x-ms-parameter-location": "client",
+      "required": true,
+      "type": "string",
+      "in": "path",
+      "x-ms-skip-url-encoding": true
+    }
   }
 }
diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulEntitiesRequest.json b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulEntitiesRequest.json
index 01a7fd165fa2..7c7350b1c365 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulEntitiesRequest.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulEntitiesRequest.json
@@ -1,7 +1,7 @@
 {
     "parameters": {
         "Ocp-Apim-Subscription-Key": "{API key}",
-        "AzureRegion": "westus",
+        "Endpoint": "{Endpoint}",
         "input": {
             "documents": [
                 {
diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulKeyPhrasesRequest.json b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulKeyPhrasesRequest.json
index 3980b96282f8..2c79c9965846 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulKeyPhrasesRequest.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulKeyPhrasesRequest.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "Ocp-Apim-Subscription-Key": "{API key}",
-    "AzureRegion": "westus",
+    "Endpoint": "{Endpoint}",
     "input": {
       "documents": [
         {
diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulLanguagesRequest.json b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulLanguagesRequest.json
index 747ab22bbcfd..e2d44e5f9c28 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulLanguagesRequest.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulLanguagesRequest.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "Ocp-Apim-Subscription-Key": "{API key}",
-    "AzureRegion": "westus",
+    "Endpoint": "{Endpoint}",
     "input": {
       "documents": [
         {
diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulSentimentRequest.json b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulSentimentRequest.json
index 210bee807bbc..58f93a0bd9b6 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulSentimentRequest.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/stable/v2.0/examples/SuccessfulSentimentRequest.json
@@ -1,7 +1,7 @@
 {
   "parameters": {
     "Ocp-Apim-Subscription-Key": "{API key}",
-    "AzureRegion": "westus",
+    "Endpoint": "{Endpoint}",
     "input": {
       "documents": [
         {