diff --git a/api/v3/apps-script-client/UserService.js b/api/v3/apps-script-client/UserService.js
new file mode 100644
index 0000000..6402db5
--- /dev/null
+++ b/api/v3/apps-script-client/UserService.js
@@ -0,0 +1,27 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/* eslint-disable no-unused-vars */
+
+/**
+ * Fetches the user from Monorai.
+ * @param {string} userName The resource name of the user.
+ * @return {User}
+ */
+function getUser(userName) {
+  const message = {'name': userName};
+  const url = URL + 'monorail.v3.Users/GetUser';
+  return run_(url, message);
+}
+
+/**
+ * Fetches the users from Monorail.
+ * @param {Array<string>} userNames The resource names of the users.
+ * @return {Array<User>}
+ */
+function batchGetUsers(userNames) {
+  const message = {'names': userNames};
+  const url = URL + 'monorail.v3.Users/BatchGetUsers';
+  return run_(url, message);
+}