diff --git a/app/Http/Controllers/Api/ApiV1Controller.php b/app/Http/Controllers/Api/ApiV1Controller.php
index d43a867bd..84569fa5b 100644
--- a/app/Http/Controllers/Api/ApiV1Controller.php
+++ b/app/Http/Controllers/Api/ApiV1Controller.php
@@ -3713,171 +3713,4 @@ class ApiV1Controller extends Controller
 
         return $this->json([]);
     }
-
-    /**
-    * GET /api/v1/followed_tags
-    *
-    *
-    * @return array
-    */
-    public function getFollowedTags(Request $request)
-    {
-        abort_if(!$request->user(), 403);
-
-        $account = AccountService::get($request->user()->profile_id);
-
-        $this->validate($request, [
-            'cursor' => 'sometimes',
-            'limit' => 'sometimes|integer|min:1|max:200'
-        ]);
-        $limit = $request->input('limit', 100);
-
-        $res = HashtagFollow::whereProfileId($account['id'])
-            ->orderByDesc('id')
-            ->cursorPaginate($limit)->withQueryString();
-
-        $pagination = false;
-        $prevPage = $res->nextPageUrl();
-        $nextPage = $res->previousPageUrl();
-        if($nextPage && $prevPage) {
-            $pagination = '<' . $nextPage . '>; rel="next", <' . $prevPage . '>; rel="prev"';
-        } else if($nextPage && !$prevPage) {
-            $pagination = '<' . $nextPage . '>; rel="next"';
-        } else if(!$nextPage && $prevPage) {
-            $pagination = '<' . $prevPage . '>; rel="prev"';
-        }
-
-        if($pagination) {
-            return response()->json(FollowedTagResource::collection($res)->collection)
-                ->header('Link', $pagination);
-        }
-        return response()->json(FollowedTagResource::collection($res)->collection);
-    }
-
-    /**
-    * POST /api/v1/tags/:id/follow
-    *
-    *
-    * @return object
-    */
-    public function followHashtag(Request $request, $id)
-    {
-        abort_if(!$request->user(), 403);
-
-        $pid = $request->user()->profile_id;
-        $account = AccountService::get($pid);
-
-        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
-        $tag = Hashtag::where('name', $operator, $id)
-            ->orWhere('slug', $operator, $id)
-            ->first();
-
-        abort_if(!$tag, 422, 'Unknown hashtag');
-
-        abort_if(
-            HashtagFollow::whereProfileId($pid)->count() >= HashtagFollow::MAX_LIMIT,
-            422,
-            'You cannot follow more than ' . HashtagFollow::MAX_LIMIT . ' hashtags.'
-        );
-
-        $follows = HashtagFollow::updateOrCreate(
-            [
-                'profile_id' => $account['id'],
-                'hashtag_id' => $tag->id
-            ],
-            [
-                'user_id' => $request->user()->id
-            ]
-        );
-
-        HashtagService::follow($pid, $tag->id);
-        HashtagFollowService::add($tag->id, $pid);
-
-        return response()->json(FollowedTagResource::make($follows)->toArray($request));
-    }
-
-    /**
-    * POST /api/v1/tags/:id/unfollow
-    *
-    *
-    * @return object
-    */
-    public function unfollowHashtag(Request $request, $id)
-    {
-        abort_if(!$request->user(), 403);
-
-        $pid = $request->user()->profile_id;
-        $account = AccountService::get($pid);
-
-        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
-        $tag = Hashtag::where('name', $operator, $id)
-            ->orWhere('slug', $operator, $id)
-            ->first();
-
-        abort_if(!$tag, 422, 'Unknown hashtag');
-
-        $follows = HashtagFollow::whereProfileId($pid)
-            ->whereHashtagId($tag->id)
-            ->first();
-
-        if(!$follows) {
-            return [
-                'name' => $tag->name,
-                'url' => config('app.url') . '/i/web/hashtag/' . $tag->slug,
-                'history' => [],
-                'following' => false
-            ];
-        }
-
-        if($follows) {
-            HashtagService::unfollow($pid, $tag->id);
-            HashtagFollowService::unfollow($tag->id, $pid);
-            HashtagUnfollowPipeline::dispatch($tag->id, $pid, $tag->slug)->onQueue('feed');
-            $follows->delete();
-        }
-
-        $res = FollowedTagResource::make($follows)->toArray($request);
-        $res['following'] = false;
-        return response()->json($res);
-    }
-
-    /**
-    * GET /api/v1/tags/:id
-    *
-    *
-    * @return object
-    */
-    public function getHashtag(Request $request, $id)
-    {
-        abort_if(!$request->user(), 403);
-
-        $pid = $request->user()->profile_id;
-        $account = AccountService::get($pid);
-        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
-        $tag = Hashtag::where('name', $operator, $id)
-            ->orWhere('slug', $operator, $id)
-            ->first();
-
-        if(!$tag) {
-            return [
-                'name' => $id,
-                'url' => config('app.url') . '/i/web/hashtag/' . $id,
-                'history' => [],
-                'following' => false
-            ];
-        }
-
-        $res = [
-            'name' => $tag->name,
-            'url' => config('app.url') . '/i/web/hashtag/' . $tag->slug,
-            'history' => [],
-            'following' => HashtagService::isFollowing($pid, $tag->id)
-        ];
-
-        if($request->has(self::PF_API_ENTITY_KEY)) {
-            $res['count'] = HashtagService::count($tag->id);
-        }
-
-        return $this->json($res);
-    }
 }
diff --git a/app/Http/Controllers/Api/V1/TagsController.php b/app/Http/Controllers/Api/V1/TagsController.php
new file mode 100644
index 000000000..7314ce09d
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/TagsController.php
@@ -0,0 +1,207 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+use App\Hashtag;
+use App\HashtagFollow;
+use App\StatusHashtag;
+use App\Services\AccountService;
+use App\Services\HashtagService;
+use App\Services\HashtagFollowService;
+use App\Services\HashtagRelatedService;
+use App\Http\Resources\MastoApi\FollowedTagResource;
+use App\Jobs\HomeFeedPipeline\FeedWarmCachePipeline;
+use App\Jobs\HomeFeedPipeline\HashtagUnfollowPipeline;
+
+class TagsController extends Controller
+{
+    const PF_API_ENTITY_KEY = "_pe";
+
+    public function json($res, $code = 200, $headers = [])
+    {
+        return response()->json($res, $code, $headers, JSON_UNESCAPED_SLASHES);
+    }
+
+    /**
+    * GET /api/v1/tags/:id/related
+    *
+    *
+    * @return array
+    */
+    public function relatedTags(Request $request, $tag)
+    {
+        abort_unless($request->user(), 403);
+        $tag = Hashtag::whereSlug($tag)->firstOrFail();
+        return HashtagRelatedService::get($tag->id);
+    }
+
+    /**
+    * POST /api/v1/tags/:id/follow
+    *
+    *
+    * @return object
+    */
+    public function followHashtag(Request $request, $id)
+    {
+        abort_if(!$request->user(), 403);
+
+        $pid = $request->user()->profile_id;
+        $account = AccountService::get($pid);
+
+        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
+        $tag = Hashtag::where('name', $operator, $id)
+            ->orWhere('slug', $operator, $id)
+            ->first();
+
+        abort_if(!$tag, 422, 'Unknown hashtag');
+
+        abort_if(
+            HashtagFollow::whereProfileId($pid)->count() >= HashtagFollow::MAX_LIMIT,
+            422,
+            'You cannot follow more than ' . HashtagFollow::MAX_LIMIT . ' hashtags.'
+        );
+
+        $follows = HashtagFollow::updateOrCreate(
+            [
+                'profile_id' => $account['id'],
+                'hashtag_id' => $tag->id
+            ],
+            [
+                'user_id' => $request->user()->id
+            ]
+        );
+
+        HashtagService::follow($pid, $tag->id);
+        HashtagFollowService::add($tag->id, $pid);
+
+        return response()->json(FollowedTagResource::make($follows)->toArray($request));
+    }
+
+    /**
+    * POST /api/v1/tags/:id/unfollow
+    *
+    *
+    * @return object
+    */
+    public function unfollowHashtag(Request $request, $id)
+    {
+        abort_if(!$request->user(), 403);
+
+        $pid = $request->user()->profile_id;
+        $account = AccountService::get($pid);
+
+        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
+        $tag = Hashtag::where('name', $operator, $id)
+            ->orWhere('slug', $operator, $id)
+            ->first();
+
+        abort_if(!$tag, 422, 'Unknown hashtag');
+
+        $follows = HashtagFollow::whereProfileId($pid)
+            ->whereHashtagId($tag->id)
+            ->first();
+
+        if(!$follows) {
+            return [
+                'name' => $tag->name,
+                'url' => config('app.url') . '/i/web/hashtag/' . $tag->slug,
+                'history' => [],
+                'following' => false
+            ];
+        }
+
+        if($follows) {
+            HashtagService::unfollow($pid, $tag->id);
+            HashtagFollowService::unfollow($tag->id, $pid);
+            HashtagUnfollowPipeline::dispatch($tag->id, $pid, $tag->slug)->onQueue('feed');
+            $follows->delete();
+        }
+
+        $res = FollowedTagResource::make($follows)->toArray($request);
+        $res['following'] = false;
+        return response()->json($res);
+    }
+
+    /**
+    * GET /api/v1/tags/:id
+    *
+    *
+    * @return object
+    */
+    public function getHashtag(Request $request, $id)
+    {
+        abort_if(!$request->user(), 403);
+
+        $pid = $request->user()->profile_id;
+        $account = AccountService::get($pid);
+        $operator = config('database.default') == 'pgsql' ? 'ilike' : 'like';
+        $tag = Hashtag::where('name', $operator, $id)
+            ->orWhere('slug', $operator, $id)
+            ->first();
+
+        if(!$tag) {
+            return [
+                'name' => $id,
+                'url' => config('app.url') . '/i/web/hashtag/' . $id,
+                'history' => [],
+                'following' => false
+            ];
+        }
+
+        $res = [
+            'name' => $tag->name,
+            'url' => config('app.url') . '/i/web/hashtag/' . $tag->slug,
+            'history' => [],
+            'following' => HashtagService::isFollowing($pid, $tag->id)
+        ];
+
+        if($request->has(self::PF_API_ENTITY_KEY)) {
+            $res['count'] = HashtagService::count($tag->id);
+        }
+
+        return $this->json($res);
+    }
+
+    /**
+    * GET /api/v1/followed_tags
+    *
+    *
+    * @return array
+    */
+    public function getFollowedTags(Request $request)
+    {
+        abort_if(!$request->user(), 403);
+
+        $account = AccountService::get($request->user()->profile_id);
+
+        $this->validate($request, [
+            'cursor' => 'sometimes',
+            'limit' => 'sometimes|integer|min:1|max:200'
+        ]);
+        $limit = $request->input('limit', 100);
+
+        $res = HashtagFollow::whereProfileId($account['id'])
+            ->orderByDesc('id')
+            ->cursorPaginate($limit)
+            ->withQueryString();
+
+        $pagination = false;
+        $prevPage = $res->nextPageUrl();
+        $nextPage = $res->previousPageUrl();
+        if($nextPage && $prevPage) {
+            $pagination = '<' . $nextPage . '>; rel="next", <' . $prevPage . '>; rel="prev"';
+        } else if($nextPage && !$prevPage) {
+            $pagination = '<' . $nextPage . '>; rel="next"';
+        } else if(!$nextPage && $prevPage) {
+            $pagination = '<' . $prevPage . '>; rel="prev"';
+        }
+
+        if($pagination) {
+            return response()->json(FollowedTagResource::collection($res)->collection)
+                ->header('Link', $pagination);
+        }
+        return response()->json(FollowedTagResource::collection($res)->collection);
+    }
+}
diff --git a/routes/api.php b/routes/api.php
index 23abfc323..27e566ab3 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -2,6 +2,7 @@
 
 use Illuminate\Http\Request;
 use App\Http\Middleware\DeprecatedEndpoint;
+use App\Http\Controllers\Api\V1\TagsController;
 
 $middleware = ['auth:api','validemail'];
 
@@ -92,10 +93,11 @@ Route::group(['prefix' => 'api'], function() use($middleware) {
         Route::get('markers', 'Api\ApiV1Controller@getMarkers')->middleware($middleware);
         Route::post('markers', 'Api\ApiV1Controller@setMarkers')->middleware($middleware);
 
-        Route::get('followed_tags', 'Api\ApiV1Controller@getFollowedTags')->middleware($middleware);
-        Route::post('tags/{id}/follow', 'Api\ApiV1Controller@followHashtag')->middleware($middleware);
-        Route::post('tags/{id}/unfollow', 'Api\ApiV1Controller@unfollowHashtag')->middleware($middleware);
-        Route::get('tags/{id}', 'Api\ApiV1Controller@getHashtag')->middleware($middleware);
+        Route::get('followed_tags', [TagsController::class, 'getFollowedTags'])->middleware($middleware);
+        Route::post('tags/{id}/follow', [TagsController::class, 'followHashtag'])->middleware($middleware);
+        Route::post('tags/{id}/unfollow', [TagsController::class, 'unfollowHashtag'])->middleware($middleware);
+        Route::get('tags/{id}/related', [TagsController::class, 'relatedTags'])->middleware($middleware);
+        Route::get('tags/{id}', [TagsController::class, 'getHashtag'])->middleware($middleware);
 
         Route::get('statuses/{id}/history', 'StatusEditController@history')->middleware($middleware);
         Route::put('statuses/{id}', 'StatusEditController@store')->middleware($middleware);