diff --git a/packages/google-cloud-language/package.json b/packages/google-cloud-language/package.json
index d10c8f29d89..aa78ba4beb7 100644
--- a/packages/google-cloud-language/package.json
+++ b/packages/google-cloud-language/package.json
@@ -54,8 +54,10 @@
   "dependencies": {
     "@google-cloud/common": "^0.1.0",
     "@google-cloud/storage": "^0.1.0",
+    "arguejs": "^0.2.3",
     "arrify": "^1.0.1",
     "extend": "^3.0.0",
+    "google-gax": "^0.6.0",
     "google-proto-files": "^0.4.0",
     "is": "^3.0.1",
     "propprop": "^0.3.1",
diff --git a/packages/google-cloud-language/src/index.js b/packages/google-cloud-language/src/index.js
index 5c7ee6fbedd..3eb43b5f9c8 100644
--- a/packages/google-cloud-language/src/index.js
+++ b/packages/google-cloud-language/src/index.js
@@ -434,3 +434,4 @@ Language.prototype.text = function(content, options) {
 };
 
 module.exports = Language;
+module.exports.v1beta1 = require('./v1beta1');
diff --git a/packages/google-cloud-language/src/v1beta1/index.js b/packages/google-cloud-language/src/v1beta1/index.js
new file mode 100644
index 00000000000..2a00e520c12
--- /dev/null
+++ b/packages/google-cloud-language/src/v1beta1/index.js
@@ -0,0 +1,32 @@
+/*!
+ * 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+'use strict';
+
+var languageServiceApi = require('./language_service_api');
+var extend = require('extend');
+var gax = require('google-gax');
+
+function v1beta1(options) {
+  options = extend({
+    scopes: v1beta1.ALL_SCOPES
+  }, options);
+  var gaxGrpc = gax.grpc(options);
+  return languageServiceApi(gaxGrpc);
+}
+
+v1beta1.SERVICE_ADDRESS = languageServiceApi.SERVICE_ADDRESS;
+v1beta1.ALL_SCOPES = languageServiceApi.ALL_SCOPES;
+module.exports = v1beta1;
diff --git a/packages/google-cloud-language/src/v1beta1/language_service_api.js b/packages/google-cloud-language/src/v1beta1/language_service_api.js
new file mode 100644
index 00000000000..14069ed8f67
--- /dev/null
+++ b/packages/google-cloud-language/src/v1beta1/language_service_api.js
@@ -0,0 +1,251 @@
+/*
+ * 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * EDITING INSTRUCTIONS
+ * This file was generated from the file
+ * https://github.com/googleapis/googleapis/blob/master/library.proto,
+ * and updates to that file get reflected here through a refresh process.
+ * For the short term, the refresh process will only be runnable by Google
+ * engineers.
+ *
+ * The only allowed edits are to method and file documentation. A 3-way
+ * merge preserves those additions if the generated source changes.
+ */
+/* TODO: introduce line-wrapping so that it never exceeds the limit. */
+/* jscs: disable maximumLineLength */
+'use strict';
+
+var arguejs = require('arguejs');
+var configData = require('./language_service_client_config');
+var extend = require('extend');
+var gax = require('google-gax');
+
+var SERVICE_ADDRESS = 'language.googleapis.com';
+
+var DEFAULT_SERVICE_PORT = 443;
+
+var CODE_GEN_NAME_VERSION = 'gapic/0.1.0';
+
+var DEFAULT_TIMEOUT = 30;
+
+/**
+ * The scopes needed to make gRPC calls to all of the methods defined in
+ * this service.
+ */
+var ALL_SCOPES = [
+  'https://www.googleapis.com/auth/cloud-platform'
+];
+
+/**
+ * Provides text analysis operations such as sentiment analysis and entity
+ * recognition.
+ *
+ * This will be created through a builder function which can be obtained by the module.
+ * See the following example of how to initialize the module and how to access to the builder.
+ *
+ * @example
+ *   var languageV1beta1 = require('@google-cloud/language').v1beta1({
+ *     // optional auth parameters.
+ *   });
+ *   var api = languageV1beta1.languageServiceApi();
+ *
+ * @class
+ * @param {Object=} opts - The optional parameters.
+ * @param {String=} opts.servicePath
+ *   The domain name of the API remote host.
+ * @param {number=} opts.port
+ *   The port on which to connect to the remote host.
+ * @param {grpc.ClientCredentials=} opts.sslCreds
+ *   A ClientCredentials for use with an SSL-enabled channel.
+ * @param {Object=} opts.clientConfig
+ *   The customized config to build the call settings. See
+ *   {@link gax.constructSettings} for the format.
+ * @param {number=} opts.timeout
+ *   The default timeout, in seconds, for calls made through this client.
+ * @param {number=} opts.appName
+ *   The codename of the calling service.
+ * @param {String=} opts.appVersion
+ *   The version of the calling service.
+ */
+function LanguageServiceApi(gaxGrpc, grpcClient, 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 timeout = opts.timeout || DEFAULT_TIMEOUT;
+  var appName = opts.appName || 'gax';
+  var appVersion = opts.appVersion || gax.Version;
+
+  var googleApiClient = [
+    appName + '/' + appVersion,
+    CODE_GEN_NAME_VERSION,
+    'nodejs/' + process.version].join(' ');
+
+  var defaults = gaxGrpc.constructSettings(
+      'google.cloud.language.v1beta1.LanguageService',
+      configData,
+      clientConfig,
+      timeout,
+      null,
+      null,
+      {'x-goog-api-client': googleApiClient});
+
+  var stub = gaxGrpc.createStub(
+      servicePath,
+      port,
+      grpcClient.google.cloud.language.v1beta1.LanguageService,
+      {sslCreds: sslCreds});
+  var methods = [
+    'analyzeSentiment',
+    'analyzeEntities',
+    'annotateText'
+  ];
+  methods.forEach(function(methodName) {
+    this['_' + methodName] = gax.createApiCall(
+        stub.then(function(stub) { return stub[methodName].bind(stub); }),
+        defaults[methodName]);
+  }.bind(this));
+}
+
+// Callback types
+
+/**
+ * @callback APICallback
+ * @param {?Error} error - the error object if something goes wrong.
+ *   Null if API succeeds.
+ * @param {?T} response
+ *   The response object when API succeeds.
+ * @template T
+ */
+
+/**
+ * @callback EmptyCallback
+ * @param {?Error} error - the error object if something goes wrong.
+ *   Null if API succeeds.
+ */
+
+// Service calls
+
+/**
+ * Analyzes the sentiment of the provided text.
+ *
+ * @param {google.cloud.language.v1beta1.Document} document
+ *   Input document. Currently, `analyzeSentiment` only supports English text
+ *   ({@link Document.language}="EN").
+ * @param {gax.CallOptions=} options
+ *   Overrides the default settings for this call, e.g, timeout,
+ *   retries, etc.
+ * @param {APICallback<google.cloud.language.v1beta1.AnalyzeSentimentResponse>=} callback
+ *   The function which will be called with the result of the API call.
+ * @returns {gax.EventEmitter} - the event emitter to handle the call
+ *   status.
+ * @throws an error if the RPC is aborted.
+ */
+LanguageServiceApi.prototype.analyzeSentiment = function analyzeSentiment() {
+  var args = arguejs({
+    document: Object,
+    options: [gax.CallOptions],
+    callback: [Function]
+  }, arguments);
+  var req = {
+    document: args.document
+  };
+  return this._analyzeSentiment(req, args.options, args.callback);
+};
+
+/**
+ * Finds named entities (currently finds proper names) in the text,
+ * entity types, salience, mentions for each entity, and other properties.
+ *
+ * @param {google.cloud.language.v1beta1.Document} document
+ *   Input document.
+ * @param {google.cloud.language.v1beta1.EncodingType} encodingType
+ *   The encoding type used by the API to calculate offsets.
+ * @param {gax.CallOptions=} options
+ *   Overrides the default settings for this call, e.g, timeout,
+ *   retries, etc.
+ * @param {APICallback<google.cloud.language.v1beta1.AnalyzeEntitiesResponse>=} callback
+ *   The function which will be called with the result of the API call.
+ * @returns {gax.EventEmitter} - the event emitter to handle the call
+ *   status.
+ * @throws an error if the RPC is aborted.
+ */
+LanguageServiceApi.prototype.analyzeEntities = function analyzeEntities() {
+  var args = arguejs({
+    document: Object,
+    encodingType: Number,
+    options: [gax.CallOptions],
+    callback: [Function]
+  }, arguments);
+  var req = {
+    document: args.document,
+    encoding_type: args.encodingType
+  };
+  return this._analyzeEntities(req, args.options, args.callback);
+};
+
+/**
+ * Advanced API that analyzes the document and provides a full set of text
+ * annotations, including semantic, syntactic, and sentiment information. This
+ * API is intended for users who are familiar with machine learning and need
+ * in-depth text features to build upon.
+ *
+ * @param {google.cloud.language.v1beta1.Document} document
+ *   Input document.
+ * @param {google.cloud.language.v1beta1.AnnotateTextRequest.Features} features
+ *   The enabled features.
+ * @param {google.cloud.language.v1beta1.EncodingType} encodingType
+ *   The encoding type used by the API to calculate offsets.
+ * @param {gax.CallOptions=} options
+ *   Overrides the default settings for this call, e.g, timeout,
+ *   retries, etc.
+ * @param {APICallback<google.cloud.language.v1beta1.AnnotateTextResponse>=} callback
+ *   The function which will be called with the result of the API call.
+ * @returns {gax.EventEmitter} - the event emitter to handle the call
+ *   status.
+ * @throws an error if the RPC is aborted.
+ */
+LanguageServiceApi.prototype.annotateText = function annotateText() {
+  var args = arguejs({
+    document: Object,
+    features: Object,
+    encodingType: Number,
+    options: [gax.CallOptions],
+    callback: [Function]
+  }, arguments);
+  var req = {
+    document: args.document,
+    features: args.features,
+    encoding_type: args.encodingType
+  };
+  return this._annotateText(req, args.options, args.callback);
+};
+
+module.exports = function build(gaxGrpc) {
+  var grpcClient = gaxGrpc.load([{
+    root: require('google-proto-files')('..'),
+    file: 'google/cloud/language/v1beta1/language_service.proto'
+  }]);
+  var built = grpcClient.google.cloud.language.v1beta1;
+
+  built.languageServiceApi = function(opts) {
+    return new LanguageServiceApi(gaxGrpc, grpcClient, opts);
+  };
+  extend(built.languageServiceApi, LanguageServiceApi);
+  return built;
+};
+module.exports.SERVICE_ADDRESS = SERVICE_ADDRESS;
+module.exports.ALL_SCOPES = ALL_SCOPES;
\ No newline at end of file
diff --git a/packages/google-cloud-language/src/v1beta1/language_service_client_config.json b/packages/google-cloud-language/src/v1beta1/language_service_client_config.json
new file mode 100644
index 00000000000..6ac3a7004ff
--- /dev/null
+++ b/packages/google-cloud-language/src/v1beta1/language_service_client_config.json
@@ -0,0 +1,43 @@
+{
+  "interfaces": {
+    "google.cloud.language.v1beta1.LanguageService": {
+      "retry_codes": {
+        "retry_codes_def": {
+          "idempotent": [
+            "DEADLINE_EXCEEDED",
+            "UNAVAILABLE"
+          ],
+          "non_idempotent": []
+        }
+      },
+      "retry_params": {
+        "default": {
+          "initial_retry_delay_millis": 100,
+          "retry_delay_multiplier": 1.3,
+          "max_retry_delay_millis": 60000,
+          "initial_rpc_timeout_millis": 60000,
+          "rpc_timeout_multiplier": 1.0,
+          "max_rpc_timeout_millis": 60000,
+          "total_timeout_millis": 600000
+        }
+      },
+      "methods": {
+        "AnalyzeSentiment": {
+          "timeout_millis": 30000,
+          "retry_codes_name": "idempotent",
+          "retry_params_name": "default"
+        },
+        "AnalyzeEntities": {
+          "timeout_millis": 30000,
+          "retry_codes_name": "idempotent",
+          "retry_params_name": "default"
+        },
+        "AnnotateText": {
+          "timeout_millis": 30000,
+          "retry_codes_name": "idempotent",
+          "retry_params_name": "default"
+        }
+      }
+    }
+  }
+}