diff --git a/packages/vision/package.json b/packages/vision/package.json
index 887d7465527..f1cbe9e6d1a 100644
--- a/packages/vision/package.json
+++ b/packages/vision/package.json
@@ -55,7 +55,7 @@
     "arrify": "^1.0.0",
     "async": "^2.0.1",
     "extend": "^3.0.0",
-    "google-gax": "^0.10.0",
+    "google-gax": "^0.12.0",
     "google-proto-files": "^0.9.1",
     "is": "^3.0.1",
     "propprop": "^0.3.0",
diff --git a/packages/vision/src/v1/image_annotator_client.js b/packages/vision/src/v1/image_annotator_client.js
index 1a6e4b4c8f6..213be636675 100644
--- a/packages/vision/src/v1/image_annotator_client.js
+++ b/packages/vision/src/v1/image_annotator_client.js
@@ -63,44 +63,61 @@ var ALL_SCOPES = [
  * @class
  */
 function ImageAnnotatorClient(gaxGrpc, grpcClients, opts) {
-  opts = opts || {};
-  var servicePath = opts.servicePath || SERVICE_ADDRESS;
-  var port = opts.port || DEFAULT_SERVICE_PORT;
-  var sslCreds = opts.sslCreds || null;
-  var clientConfig = opts.clientConfig || {};
-  var appName = opts.appName || 'gax';
-  var appVersion = opts.appVersion || gax.version;
+  opts = extend({
+    servicePath: SERVICE_ADDRESS,
+    port: DEFAULT_SERVICE_PORT,
+    clientConfig: {}
+  }, opts);
 
   var googleApiClient = [
-    appName + '/' + appVersion,
-    CODE_GEN_NAME_VERSION,
+    'gl-node/' + process.versions.node,
+    CODE_GEN_NAME_VERSION
+  ];
+  if (opts.libName && opts.libVersion) {
+    googleApiClient.push(opts.libName + '/' + opts.libVersion);
+  }
+  googleApiClient.push(
     'gax/' + gax.version,
-    'nodejs/' + process.version].join(' ');
+    'grpc/' + gaxGrpc.grpcVersion
+  );
 
   var defaults = gaxGrpc.constructSettings(
       'google.cloud.vision.v1.ImageAnnotator',
       configData,
-      clientConfig,
-      {'x-goog-api-client': googleApiClient});
+      opts.clientConfig,
+      {'x-goog-api-client': googleApiClient.join(' ')});
 
+  var self = this;
+
+  this.auth = gaxGrpc.auth;
   var imageAnnotatorStub = gaxGrpc.createStub(
-      servicePath,
-      port,
-      grpcClients.imageAnnotatorClient.google.cloud.vision.v1.ImageAnnotator,
-      {sslCreds: sslCreds});
+      grpcClients.google.cloud.vision.v1.ImageAnnotator,
+      opts);
   var imageAnnotatorStubMethods = [
     'batchAnnotateImages'
   ];
   imageAnnotatorStubMethods.forEach(function(methodName) {
-    this['_' + methodName] = gax.createApiCall(
+    self['_' + methodName] = gax.createApiCall(
       imageAnnotatorStub.then(function(imageAnnotatorStub) {
-        return imageAnnotatorStub[methodName].bind(imageAnnotatorStub);
+        return function() {
+          var args = Array.prototype.slice.call(arguments, 0);
+          return imageAnnotatorStub[methodName].apply(imageAnnotatorStub, args);
+        };
       }),
       defaults[methodName],
       null);
-  }.bind(this));
+  });
 }
 
+/**
+ * Get the project ID used by this class.
+ * @aram {function(Error, string)} callback - the callback to be called with
+ *   the current project Id.
+ */
+ImageAnnotatorClient.prototype.getProjectId = function(callback) {
+  return this.auth.getProjectId(callback);
+};
+
 // Service calls
 
 /**
@@ -157,9 +174,6 @@ function ImageAnnotatorClientBuilder(gaxGrpc) {
   }]);
   extend(this, imageAnnotatorClient.google.cloud.vision.v1);
 
-  var grpcClients = {
-    imageAnnotatorClient: imageAnnotatorClient
-  };
 
   /**
    * Build a new instance of {@link ImageAnnotatorClient}.
@@ -174,13 +188,9 @@ function ImageAnnotatorClientBuilder(gaxGrpc) {
    * @param {Object=} opts.clientConfig
    *   The customized config to build the call settings. See
    *   {@link gax.constructSettings} for the format.
-   * @param {number=} opts.appName
-   *   The codename of the calling service.
-   * @param {String=} opts.appVersion
-   *   The version of the calling service.
    */
   this.imageAnnotatorClient = function(opts) {
-    return new ImageAnnotatorClient(gaxGrpc, grpcClients, opts);
+    return new ImageAnnotatorClient(gaxGrpc, imageAnnotatorClient, opts);
   };
   extend(this.imageAnnotatorClient, ImageAnnotatorClient);
 }
diff --git a/packages/vision/src/v1/image_annotator_client_config.json b/packages/vision/src/v1/image_annotator_client_config.json
index 12676ae8e70..a5623731dc0 100644
--- a/packages/vision/src/v1/image_annotator_client_config.json
+++ b/packages/vision/src/v1/image_annotator_client_config.json
@@ -2,13 +2,11 @@
   "interfaces": {
     "google.cloud.vision.v1.ImageAnnotator": {
       "retry_codes": {
-        "retry_codes_def": {
-          "idempotent": [
-            "DEADLINE_EXCEEDED",
-            "UNAVAILABLE"
-          ],
-          "non_idempotent": []
-        }
+        "idempotent": [
+          "DEADLINE_EXCEEDED",
+          "UNAVAILABLE"
+        ],
+        "non_idempotent": []
       },
       "retry_params": {
         "default": {
diff --git a/packages/vision/src/v1/index.js b/packages/vision/src/v1/index.js
index 3e6ed933593..22d87db6661 100644
--- a/packages/vision/src/v1/index.js
+++ b/packages/vision/src/v1/index.js
@@ -1,11 +1,11 @@
-/*!
- * Copyright 2016 Google Inc. All Rights Reserved.
+/*
+ * Copyright 2016 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -15,18 +15,19 @@
  */
 'use strict';
 
-var visionClient = require('./image_annotator_client');
-var extend = require('extend');
+var imageAnnotatorClient = require('./image_annotator_client');
 var gax = require('google-gax');
+var extend = require('extend');
 
 function v1(options) {
   options = extend({
     scopes: v1.ALL_SCOPES
   }, options);
   var gaxGrpc = gax.grpc(options);
-  return visionClient(gaxGrpc);
+  return imageAnnotatorClient(gaxGrpc);
 }
 
-v1.SERVICE_ADDRESS = visionClient.SERVICE_ADDRESS;
-v1.ALL_SCOPES = visionClient.ALL_SCOPES;
+v1.SERVICE_ADDRESS = imageAnnotatorClient.SERVICE_ADDRESS;
+v1.ALL_SCOPES = imageAnnotatorClient.ALL_SCOPES;
+
 module.exports = v1;