diff --git a/doc/API-Mastodon.md b/doc/API-Mastodon.md
index 6c6a1691a2..d77218f670 100644
--- a/doc/API-Mastodon.md
+++ b/doc/API-Mastodon.md
@@ -135,6 +135,7 @@ These endpoints use the [Mastodon API entities](https://docs.joinmastodon.org/en
 - [`GET /api/v1/timelines/public`](https://docs.joinmastodon.org/methods/timelines/)
 - [`GET /api/v1/timelines/tag/:hashtag`](https://docs.joinmastodon.org/methods/timelines/)
 - [`GET /api/v1/trends`](https://docs.joinmastodon.org/methods/instance/trends/)
+- [`GET /api/v1/trends/tags`](https://docs.joinmastodon.org/methods/trends/#tags)
 - [`GET /api/v2/search`](https://docs.joinmastodon.org/methods/search/)
 
 
diff --git a/static/routes.config.php b/static/routes.config.php
index 42333e65fa..9b2d3d9365 100644
--- a/static/routes.config.php
+++ b/static/routes.config.php
@@ -298,7 +298,7 @@ return [
 			'/trends'                            => [Module\Api\Mastodon\Trends::class,                   [R::GET         ]],
 			'/trends/links'                      => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]], // not implemented
 			'/trends/statuses'                   => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]], // not implemented
-			'/trends/tags'                       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]], // not implemented
+			'/trends/tags'                       => [Module\Api\Mastodon\Trends::class,                   [R::GET         ]],
 		],
 		'/v{version:\d+}' => [
 			'/admin/accounts'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]], // not supported