diff --git a/lib/gitlab.js b/lib/gitlab.js
index 9871775..78cb4dc 100644
--- a/lib/gitlab.js
+++ b/lib/gitlab.js
@@ -27,12 +27,14 @@ module.exports = Gitlab;
  * @param {Object} options
  *  - {String} api, api root url, e.g.: 'http://gitlab.com/api/v3'
  *  - {String} privateToken, You can find or reset your private token in your profile.
+ *  - {String} accessToken, Obtained via OAuth
  */
 function Gitlab(options) {
   options = options || {};
   options.api = options.api || 'https://gitlab.com/api/v3';
   RESTFulClient.call(this, options);
   this.privateToken = options.privateToken;
+  this.accessToken = options.accessToken;
 
   this.addResources(resources);
 
@@ -45,7 +47,12 @@ function Gitlab(options) {
 util.inherits(Gitlab, RESTFulClient);
 
 Gitlab.prototype.setAuthentication = function (req) {
-  req.params.data.private_token = req.params.data.private_token || this.privateToken;
+  var accessToken = req.params.data.access_token || this.accessToken;
+  if (accessToken) {
+    req.params.data.access_token = accessToken;
+  } else {
+    req.params.data.private_token = req.params.data.private_token || this.privateToken;
+  }
   return req;
 };
 
diff --git a/lib/properties.js b/lib/properties.js
index 5eea755..9672b94 100644
--- a/lib/properties.js
+++ b/lib/properties.js
@@ -64,6 +64,10 @@ var properties = {
     'transferProject'
   ],
   groupMembers: [],
+  namespaces: [
+    'list',
+    'search',
+  ],
 };
 
 for (var key in properties) {
diff --git a/lib/resources/index.js b/lib/resources/index.js
index 7f67a0a..185e9b5 100644
--- a/lib/resources/index.js
+++ b/lib/resources/index.js
@@ -62,4 +62,6 @@ module.exports = {
     resourcePath: '/projects/:id/keys',
     idName: 'key_id',
   },
+
+  namespaces: require('./namespace'),
 };
diff --git a/lib/resources/namespace.js b/lib/resources/namespace.js
new file mode 100644
index 0000000..39350ac
--- /dev/null
+++ b/lib/resources/namespace.js
@@ -0,0 +1,33 @@
+/**!
+ * gitlab - lib/resources/namespace.js
+ *
+ * Copyright(c) repo-utils and other contributors.
+ * MIT Licensed
+ *
+ * Authors:
+ *   fengmk2 <fengmk2@gmail.com> (http://fengmk2.com)
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+var util = require('util');
+var restful = require('restful-client');
+
+module.exports = Namespace;
+
+function Namespace(client) {
+  this.constructor.super_.call(this, client, '/namespaces', 'id');
+}
+util.inherits(Namespace, restful.RESTFulResource);
+
+Namespace.prototype.list = function (params, callback) {
+  this.client.request('get', '/namespaces', params, callback);
+};
+
+Namespace.prototype.search = function (params, callback) {
+  this.client.request('get', '/namespaces/search/:query', params, callback);
+};