diff --git a/docs/TEXT-TO-SPEECH.md b/docs/TEXT-TO-SPEECH.md
index 97ea9e14..dfba5899 100644
--- a/docs/TEXT-TO-SPEECH.md
+++ b/docs/TEXT-TO-SPEECH.md
@@ -11,7 +11,7 @@ where the max length is around 1000 characters after the token is accounted for.
 Options:
 
 - text - the text to speak
-- url - the Watson Text to Speech API URL (defaults to https://stream.watsonplatform.net/text-to-speech/api)
+- url - the Watson Text to Speech API URL (defaults to https://api.us-south.text-to-speech.watson.cloud.ibm.com)
 - voice - the desired playback voice's name - see .getVoices(). Note that the voices are language-specific.
 - customization_id - GUID of a custom voice model - omit to use the voice with no customization.
 - autoPlay - set to false to prevent the audio from automatically playing
diff --git a/examples/.env.example b/examples/.env.example
index 9005f10a..768e4fdf 100644
--- a/examples/.env.example
+++ b/examples/.env.example
@@ -1,9 +1,9 @@
 # Replace this if you are using a region specific service
-SPEECH_TO_TEXT_URL=https://stream.watsonplatform.net/speech-to-text/api
+SPEECH_TO_TEXT_URL=https://api.us-south.speech-to-text.watson.cloud.ibm.com
 # If your using IAM API keys use this and do not input credentials:
 SPEECH_TO_TEXT_IAM_APIKEY=<Your API key>
 
 # Replace this if you are using a region specific service
-TEXT_TO_SPEECH_URL=https://stream.watsonplatform.net/text-to-speech/api
+TEXT_TO_SPEECH_URL=https://api.us-south.text-to-speech.watson.cloud.ibm.com
 # If your using IAM API keys use this and do not input credentials:
 TEXT_TO_SPEECH_IAM_APIKEY=<Your API key>
diff --git a/speech-to-text/get-models.js b/speech-to-text/get-models.js
index 069c6f79..0bc9b917 100644
--- a/speech-to-text/get-models.js
+++ b/speech-to-text/get-models.js
@@ -24,7 +24,7 @@
 
  ```js
  [{
-    "url": "https://stream.watsonplatform.net/speech-to-text/api/v1/models/en-UK_BroadbandModel",
+    "url": "https://api.us-south.speech-to-text.watson.cloud.ibm.com/v1/models/en-UK_BroadbandModel",
     "rate": 16000,
     "name": "en-UK_BroadbandModel",
     "language": "en-UK",
@@ -37,7 +37,7 @@
 
  * @todo define format in @return statement
  * @param {Object} options
- * @param {String} options.url=https://stream.watsonplatform.net/speech-to-text/api URL for Watson Speech to Text API
+ * @param {String} options.url=https://api.us-south.speech-to-text.watson.cloud.ibm.com URL for Watson Speech to Text API
  * @param {String} options.token auth token for CF services
  * @param {String} options.accessToken IAM access token for RC services
  * @return {Promise<T>}
@@ -52,7 +52,7 @@ module.exports = function getModels(options) {
       accept: 'application/json'
     }
   };
-  var url = options.url || 'https://stream.watsonplatform.net/speech-to-text/api';
+  var url = options.url || 'https://api.us-south.speech-to-text.watson.cloud.ibm.com';
   if (options.accessToken) {
     url = url + '/v1/models?access_token=' + options.accessToken;
   } else {
diff --git a/speech-to-text/recognize-file.js b/speech-to-text/recognize-file.js
index 1e6698f0..90da1608 100644
--- a/speech-to-text/recognize-file.js
+++ b/speech-to-text/recognize-file.js
@@ -36,7 +36,7 @@ var fetch = require('nodeify-fetch'); // like regular fetch, but with an extra m
  * (e.g. from a file <input>, a dragdrop target, or an ajax request)
  *
  * @param {Object} options - Also passed to {MediaElementAudioStream} and to {RecognizeStream}
- * @param {String} [options.url='wss://stream.watsonplatform.net/speech-to-text/api'] - Base URL for a service instance
+ * @param {String} [options.url='wss://api.us-south.speech-to-text.watson.cloud.ibm.com'] - Base URL for a service instance
  * @param {String} options.token - Auth Token for CF services - see https://github.com/watson-developer-cloud/node-sdk#authorization
  * @param {String} options.accessToken - IAM Access Token for RC services - see https://github.com/watson-developer-cloud/node-sdk#authorization
  * @param {Blob|FileString} options.file - String url or the raw audio data as a Blob or File instance to be transcribed (and optionally played). Playback may not with with Blob or File on mobile Safari.
diff --git a/speech-to-text/recognize-microphone.js b/speech-to-text/recognize-microphone.js
index 328cbe6e..791ffaa6 100644
--- a/speech-to-text/recognize-microphone.js
+++ b/speech-to-text/recognize-microphone.js
@@ -46,7 +46,7 @@ var bitBucket = new Writable({
  * @param {Object} options - Also passed to {RecognizeStream}, and {FormatStream} when applicable
  * @param {String} options.token - Auth Token for CF services - see https://github.com/watson-developer-cloud/node-sdk#authorization
  * @param {String} options.accessToken - IAM Access Token for RC services - see https://github.com/watson-developer-cloud/node-sdk#authorization
- * @param {String} [options.url='wss://stream.watsonplatform.net/speech-to-text/api'] - Base URL for a service instance
+ * @param {String} [options.url='wss://api.us-south.speech-to-text.watson.cloud.ibm.com'] - Base URL for a service instance
  * @param {Boolean} [options.format=true] - pipe the text through a FormatStream which performs light formatting. Also controls smart_formatting option unless explicitly set.
  * @param {Boolean} [options.keepMicrophone=false] - keeps an internal reference to the microphone stream to reuse in subsequent calls (prevents multiple permissions dialogs in firefox)
  * @param {String|DOMElement} [options.outputElement] pipe the text to a [WriteableElementStream](WritableElementStream.html) targeting the specified element. Also defaults objectMode to true to enable interim results.
diff --git a/speech-to-text/recognize-stream.js b/speech-to-text/recognize-stream.js
index 86f4b619..3c6fa6eb 100644
--- a/speech-to-text/recognize-stream.js
+++ b/speech-to-text/recognize-stream.js
@@ -34,7 +34,7 @@ var qs = require('../util/querystring.js');
  * Note that the WebSocket connection is not established until the first chunk of data is recieved. This allows for auto-detection of content type (for wav/flac/opus audio).
  *
  * @param {Options} options
- * @param {string} [options.url] - Base url for service (default='wss://stream.watsonplatform.net/speech-to-text/api')
+ * @param {string} [options.url] - Base url for service (default='wss://api.us-south.speech-to-text.watson.cloud.ibm.com')
  * @param {OutgoingHttpHeaders} [options.headers] - Only works in Node.js, not in browsers. Allows for custom headers to be set, including an Authorization header (preventing the need for auth tokens)
  * @param {boolean} [options.readableObjectMode] - Emit `result` objects instead of string Buffers for the `data` events. Does not affect input (which must be binary)
  * @param {boolean} [options.objectMode] - Alias for readableObjectMode
@@ -158,7 +158,7 @@ RecognizeStream.prototype.initialize = function() {
   }
   var queryString = qs.stringify(queryParams);
 
-  var url = (options.url || 'wss://stream.watsonplatform.net/speech-to-text/api').replace(/^http/, 'ws') + '/v1/recognize?' + queryString;
+  var url = (options.url || 'wss://api.us-south.speech-to-text.watson.cloud.ibm.com').replace(/^http/, 'ws') + '/v1/recognize?' + queryString;
 
   // process opening payload params
   var openingMessageParamsAllowed = [
diff --git a/text-to-speech/get-voices.js b/text-to-speech/get-voices.js
index bb5d58bd..ce437b0f 100644
--- a/text-to-speech/get-voices.js
+++ b/text-to-speech/get-voices.js
@@ -28,7 +28,7 @@
     "language": "en-US",
     "customizable": true,
     "gender": "male",
-    "url": "https://stream.watsonplatform.net/text-to-speech/api/v1/voices/en-US_MichaelVoice",
+    "url": "https://api.us-south.text-to-speech.watson.cloud.ibm.com/v1/voices/en-US_MichaelVoice",
     "description": "Michael: American English male voice."
  },
  //...
@@ -38,7 +38,7 @@
 
  * @todo define format in @return statement
  * @param {Object} options
- * @param {String} options.url=https://stream.watsonplatform.net/text-to-speech/api URL for Watson Text to Speech API
+ * @param {String} options.url=https://api.us-south.text-to-speech.watson.cloud.ibm.com URL for Watson Text to Speech API
  * @param {String} options.token auth token for CF services
  * @param {String} options.accessToken IAM access token for RC services
  * @return {Promise.<T>}
@@ -53,7 +53,7 @@ module.exports = function getVoices(options) {
       accept: 'application/json'
     }
   };
-  var url = options.url || 'https://stream.watsonplatform.net/text-to-speech/api';
+  var url = options.url || 'https://api.us-south.text-to-speech.watson.cloud.ibm.com';
   if (options.accessToken) {
     url = url + '/v1/voices?access_token=' + options.accessToken;
   } else {
diff --git a/text-to-speech/synthesize.js b/text-to-speech/synthesize.js
index a4821a69..22b9feb3 100644
--- a/text-to-speech/synthesize.js
+++ b/text-to-speech/synthesize.js
@@ -27,7 +27,7 @@ var qs = require('../util/querystring.js');
  * Creates and returns a HTML5 `<audio>` element
  *
  * @param {Object} options
- * @param {String} options.url=https://stream.watsonplatform.net/text-to-speech/api URL for Watson Text to Speech API
+ * @param {String} options.url=https://api.us-south.text-to-speech.watson.cloud.ibm.com URL for Watson Text to Speech API
  * @param {String} [options.token] - Auth token for CF services
  * @param {String} options.accessToken - IAM Access Token for RC services
  * @param {String} options.text text to speak
@@ -48,7 +48,7 @@ module.exports = function synthesize(options) {
     options.watsonToken = options.token;
     delete options.token;
   }
-  var url = options.url || 'https://stream.watsonplatform.net/text-to-speech/api';
+  var url = options.url || 'https://api.us-south.text-to-speech.watson.cloud.ibm.com';
   var audio = options.element || new Audio();
   audio.crossOrigin = 'anonymous';
   var queryParamsAllowed = ['voice', 'X-Watson-Learning-Opt-Out', 'text', 'watson-token', 'access_token', 'accept', 'customization_id'];