diff --git a/README.md b/README.md
index d9702acb..70eab09d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
-### the Files Lock app
-
+# Temporary files lock
 
 ![](screenshots/0.7.0.png)
 
@@ -25,3 +24,101 @@ Administrators can also lock files using the `./occ` command:
 
 ![](screenshots/cli.png)
 
+## API
+
+### Capability
+
+If locking is available the app will expose itself through the capabilties endpoint under the files key:
+```
+curl http://admin:admin@nextcloud.local/ocs/v1.php/cloud/capabilities\?format\=json -H 'OCS-APIRequest: true' \
+	| jq .ocs.data.capabilities.files
+{
+  ...
+  "locking": "1.0",
+  ...
+}
+```
+
+### Fetching lock details
+
+WebDAV returns the following additional properties if requests through a `PROPFIND`:
+
+- `{http://nextcloud.org/ns}lock`: `true` if the file is locked, otherwise `false`
+- `{http://nextcloud.org/ns}lock-owner`: User id of the lock owner
+- `{http://nextcloud.org/ns}lock-owner-displayname`: Display name of the lock owner
+- `{http://nextcloud.org/ns}lock-time`: Timestamp of the log creation time
+
+### Locking a file
+
+`PUT /apps/files_lock/lock/{fileId}`
+
+```bash
+curl -X PUT 'http://admin:admin@nextcloud.local/ocs/v2.php/apps/files_lock/lock/123' -H 'OCS-APIREQUEST: true'`
+```
+
+#### Success
+```
+<?xml version="1.0"?>
+<ocs>
+ <meta>
+  <status>ok</status>
+  <statuscode>200</statuscode>
+  <message>OK</message>
+ </meta>
+</ocs>
+```
+
+#### Failure
+```
+<?xml version="1.0"?>
+<ocs>
+ <meta>
+  <status>failure</status>
+  <statuscode>500</statuscode>
+  <message/>
+ </meta>
+ <data>
+  <status>-1</status>
+  <exception>OCA\FilesLock\Exceptions\AlreadyLockedException</exception>
+  <message>File is already locked by admin</message>
+ </data>
+</ocs>
+```
+
+
+### Unlocking a file
+
+`DELETE /apps/files_lock/lock/{fileId}`
+
+```bash
+curl -X DELETE 'http://admin:admin@nextcloud.local/ocs/v2.php/apps/files_lock/lock/123' -H 'OCS-APIREQUEST: true'
+```
+
+#### Success
+```
+<?xml version="1.0"?>
+<ocs>
+ <meta>
+  <status>ok</status>
+  <statuscode>200</statuscode>
+  <message>OK</message>
+ </meta>
+</ocs>
+```
+
+#### Failure
+```
+<?xml version="1.0"?>
+<ocs>
+ <meta>
+  <status>failure</status>
+  <statuscode>500</statuscode>
+  <message/>
+ </meta>
+ <data>
+  <status>-1</status>
+  <exception>OCA\FilesLock\Exceptions\LockNotFoundException</exception>
+  <message></message>
+ </data>
+</ocs>
+```
diff --git a/appinfo/info.xml b/appinfo/info.xml
index a2b8c119..33221228 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -37,7 +37,6 @@ Allow your users to temporary lock their files to avoid conflicts while working
 	</commands>
 
 	<dependencies>
-		<nextcloud min-version="21" max-version="23"/>
+		<nextcloud min-version="21" max-version="24"/>
 	</dependencies>
-
 </info>
diff --git a/appinfo/routes.php b/appinfo/routes.php
index 351bfa8b..1770ab1b 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -28,7 +28,7 @@
 
 
 return [
-	'routes' => [
+	'ocs' => [
 		['name' => 'Lock#locking', 'url' => '/lock/{fileId}', 'verb' => 'PUT'],
 		['name' => 'Lock#unlocking', 'url' => '/lock/{fileId}', 'verb' => 'DELETE'],
 	]
diff --git a/js/files.js b/js/files.js
index 29049e6f..947993ff 100644
--- a/js/files.js
+++ b/js/files.js
@@ -116,7 +116,7 @@
 			if (locked !== undefined && locked) {
 				$.ajax({
 					method: 'DELETE',
-					url: OC.generateUrl('/apps/files_lock/lock/' + fileId)
+					url: OC.linkToOCS('/apps/files_lock/lock', 2) + fileId
 				}).done(function(res) {
 					model.set('locked', false)
 				}).fail(function(res) {
@@ -125,7 +125,7 @@
 			} else {
 				$.ajax({
 					method: 'PUT',
-					url: OC.generateUrl('/apps/files_lock/lock/' + fileId)
+					url: OC.linkToOCS('/apps/files_lock/lock', 2) + fileId
 				}).done(function(res) {
 					model.set('locked', true)
 					model.set('lockOwner', OC.getCurrentUser().uid)
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 7fac78f0..7feadf6e 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -35,6 +35,7 @@
 use OCA\DAV\Connector\Sabre\CachingTree;
 use OCA\DAV\Connector\Sabre\ObjectTree;
 use OCA\Files\Event\LoadAdditionalScriptsEvent;
+use OCA\FilesLock\Capability;
 use OCA\FilesLock\Listeners\LoadAdditionalScripts;
 use OCA\FilesLock\Plugins\FilesLockPlugin;
 use OCA\FilesLock\Service\FileService;
@@ -91,6 +92,7 @@ public function __construct(array $params = array()) {
 	 * @param IRegistrationContext $context
 	 */
 	public function register(IRegistrationContext $context): void {
+		$context->registerCapability(Capability::class);
 		$context->registerEventListener(
 			LoadAdditionalScriptsEvent::class,
 			LoadAdditionalScripts::class
diff --git a/lib/Capability.php b/lib/Capability.php
new file mode 100644
index 00000000..ccae5296
--- /dev/null
+++ b/lib/Capability.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace OCA\FilesLock;
+
+use OCP\Capabilities\ICapability;
+
+class Capability implements ICapability {
+
+	public function getCapabilities() {
+		return [
+			'files' => [
+				'locking' => '1.0',
+			]
+		];
+	}
+
+}
diff --git a/lib/Controller/LockController.php b/lib/Controller/LockController.php
index ed869a07..6f039dea 100644
--- a/lib/Controller/LockController.php
+++ b/lib/Controller/LockController.php
@@ -35,9 +35,9 @@
 use OCA\FilesLock\Service\FileService;
 use OCA\FilesLock\Service\LockService;
 use OCA\FilesLock\Tools\Traits\TLogger;
-use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCSController;
 use OCP\IRequest;
 use OCP\IUserSession;
 
@@ -47,7 +47,7 @@
  *
  * @package OCA\FilesLock\Controller
  */
-class LockController extends Controller {
+class LockController extends OCSController {
 
 
 	use TLogger;