diff --git a/lib/api/folder_subscribe.php b/lib/api/folder_subscribe.php
new file mode 100644
index 0000000..d4bdff6
--- /dev/null
+++ b/lib/api/folder_subscribe.php
@@ -0,0 +1,48 @@
+<?php
+/*
+ +--------------------------------------------------------------------------+
+ | This file is part of the Kolab File API                                  |
+ |                                                                          |
+ | Copyright (C) 2012-2015, Kolab Systems AG                                |
+ |                                                                          |
+ | This program is free software: you can redistribute it and/or modify     |
+ | it under the terms of the GNU Affero General Public License as published |
+ | by the Free Software Foundation, either version 3 of the License, or     |
+ | (at your option) any later version.                                      |
+ |                                                                          |
+ | This program is distributed in the hope that it will be useful,          |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of           |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             |
+ | GNU Affero General Public License for more details.                      |
+ |                                                                          |
+ | You should have received a copy of the GNU Affero General Public License |
+ | along with this program. If not, see <http://www.gnu.org/licenses/>      |
+ +--------------------------------------------------------------------------+
+ | Author: Aleksander Machniak <machniak@kolabsys.com>                      |
+ +--------------------------------------------------------------------------+
+*/
+
+class file_api_folder_subscribe extends file_api_common
+{
+    /**
+     * Request handler
+     */
+    public function handle()
+    {
+        parent::handle();
+
+        if (!isset($this->args['folder']) || $this->args['folder'] === '') {
+            throw new Exception("Missing folder name", file_api_core::ERROR_CODE);
+        }
+
+        list($driver, $path) = $this->api->get_driver($this->args['folder']);
+
+        // subscribe mount point?
+        if ($driver->title() === $this->args['folder']) {
+            throw new Exception("Mount point is subscribed by default", file_api_core::ERROR_CODE);
+        }
+
+        // subscribe folder...
+        $driver->folder_subscribe($path);
+    }
+}
diff --git a/lib/api/folder_unsubscribe.php b/lib/api/folder_unsubscribe.php
new file mode 100644
index 0000000..3e647bd
--- /dev/null
+++ b/lib/api/folder_unsubscribe.php
@@ -0,0 +1,48 @@
+<?php
+/*
+ +--------------------------------------------------------------------------+
+ | This file is part of the Kolab File API                                  |
+ |                                                                          |
+ | Copyright (C) 2012-2015, Kolab Systems AG                                |
+ |                                                                          |
+ | This program is free software: you can redistribute it and/or modify     |
+ | it under the terms of the GNU Affero General Public License as published |
+ | by the Free Software Foundation, either version 3 of the License, or     |
+ | (at your option) any later version.                                      |
+ |                                                                          |
+ | This program is distributed in the hope that it will be useful,          |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of           |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             |
+ | GNU Affero General Public License for more details.                      |
+ |                                                                          |
+ | You should have received a copy of the GNU Affero General Public License |
+ | along with this program. If not, see <http://www.gnu.org/licenses/>      |
+ +--------------------------------------------------------------------------+
+ | Author: Aleksander Machniak <machniak@kolabsys.com>                      |
+ +--------------------------------------------------------------------------+
+*/
+
+class file_api_folder_unsubscribe extends file_api_common
+{
+    /**
+     * Request handler
+     */
+    public function handle()
+    {
+        parent::handle();
+
+        if (!isset($this->args['folder']) || $this->args['folder'] === '') {
+            throw new Exception("Missing folder name", file_api_core::ERROR_CODE);
+        }
+
+        list($driver, $path) = $this->api->get_driver($this->args['folder']);
+
+        // subscribe mount point?
+        if ($driver->title() === $this->args['folder']) {
+            throw new Exception("Mount point cannot be unsubscribed", file_api_core::ERROR_CODE);
+        }
+
+        // unsubscribe folder...
+        $driver->folder_unsubscribe($path);
+    }
+}