diff --git a/framework/core/src/Api/Controller/ShowForumController.php b/framework/core/src/Api/Controller/ShowForumController.php
index 2111d3d75..f9ba91c62 100644
--- a/framework/core/src/Api/Controller/ShowForumController.php
+++ b/framework/core/src/Api/Controller/ShowForumController.php
@@ -25,15 +25,18 @@ class ShowForumController extends AbstractShowController
     /**
      * {@inheritdoc}
      */
-    public $include = ['groups'];
+    public $include = ['groups', 'actor'];
 
     /**
      * {@inheritdoc}
      */
     protected function data(ServerRequestInterface $request, Document $document)
     {
+        $actor = RequestUtil::getActor($request);
+
         return [
-            'groups' => Group::whereVisibleTo(RequestUtil::getActor($request))->get()
+            'groups' => Group::whereVisibleTo($actor)->get(),
+            'actor' => $actor->isGuest() ? null : $actor
         ];
     }
 }
diff --git a/framework/core/src/Api/Serializer/ForumSerializer.php b/framework/core/src/Api/Serializer/ForumSerializer.php
index 44e89d26a..c223ea281 100644
--- a/framework/core/src/Api/Serializer/ForumSerializer.php
+++ b/framework/core/src/Api/Serializer/ForumSerializer.php
@@ -15,6 +15,7 @@ use Flarum\Http\UrlGenerator;
 use Flarum\Settings\SettingsRepositoryInterface;
 use Illuminate\Contracts\Filesystem\Cloud;
 use Illuminate\Contracts\Filesystem\Factory;
+use Tobscure\JsonApi\Relationship;
 
 class ForumSerializer extends AbstractSerializer
 {
@@ -68,7 +69,7 @@ class ForumSerializer extends AbstractSerializer
     /**
      * {@inheritdoc}
      */
-    protected function getDefaultAttributes($model)
+    protected function getDefaultAttributes($model): array
     {
         $attributes = [
             'title' => $this->settings->get('forum_title'),
@@ -104,9 +105,9 @@ class ForumSerializer extends AbstractSerializer
     }
 
     /**
-     * @return \Tobscure\JsonApi\Relationship
+     * @return Relationship
      */
-    protected function groups($model)
+    protected function groups($model): Relationship
     {
         return $this->hasMany($model, GroupSerializer::class);
     }
@@ -114,7 +115,7 @@ class ForumSerializer extends AbstractSerializer
     /**
      * @return null|string
      */
-    protected function getLogoUrl()
+    protected function getLogoUrl(): ?string
     {
         $logoPath = $this->settings->get('logo_path');
 
@@ -124,7 +125,7 @@ class ForumSerializer extends AbstractSerializer
     /**
      * @return null|string
      */
-    protected function getFaviconUrl()
+    protected function getFaviconUrl(): ?string
     {
         $faviconPath = $this->settings->get('favicon_path');
 
@@ -135,4 +136,12 @@ class ForumSerializer extends AbstractSerializer
     {
         return $this->assetsFilesystem->url($assetPath);
     }
+
+    /**
+     * @return Relationship|null
+     */
+    protected function actor($model): ?Relationship
+    {
+        return $this->hasOne($model, CurrentUserSerializer::class);
+    }
 }
diff --git a/framework/core/src/Frontend/Content/CorePayload.php b/framework/core/src/Frontend/Content/CorePayload.php
index cbe625d2d..5f02964fe 100644
--- a/framework/core/src/Frontend/Content/CorePayload.php
+++ b/framework/core/src/Frontend/Content/CorePayload.php
@@ -9,12 +9,9 @@
 
 namespace Flarum\Frontend\Content;
 
-use Flarum\Api\Client;
 use Flarum\Frontend\Document;
 use Flarum\Http\RequestUtil;
 use Flarum\Locale\LocaleManager;
-use Flarum\User\User;
-use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
 
 class CorePayload
@@ -24,19 +21,12 @@ class CorePayload
      */
     private $locales;
 
-    /**
-     * @var Client
-     */
-    private $api;
-
     /**
      * @param LocaleManager $locales
-     * @param Client $api
      */
-    public function __construct(LocaleManager $locales, Client $api)
+    public function __construct(LocaleManager $locales)
     {
         $this->locales = $locales;
-        $this->api = $api;
     }
 
     public function __invoke(Document $document, Request $request)
@@ -51,17 +41,10 @@ class CorePayload
     {
         $data = $this->getDataFromApiDocument($document->getForumApiDocument());
 
-        $actor = RequestUtil::getActor($request);
-
-        if ($actor->exists) {
-            $user = $this->getUserApiDocument($request, $actor);
-            $data = array_merge($data, $this->getDataFromApiDocument($user));
-        }
-
         return [
             'resources' => $data,
             'session' => [
-                'userId' => $actor->id,
+                'userId' => RequestUtil::getActor($request)->id,
                 'csrfToken' => $request->getAttribute('session')->token()
             ],
             'locales' => $this->locales->getLocales(),
@@ -79,18 +62,4 @@ class CorePayload
 
         return $data;
     }
-
-    private function getUserApiDocument(Request $request, User $actor): array
-    {
-        $id = $actor->id;
-
-        return $this->getResponseBody(
-            $this->api->withParentRequest($request)->get("/users/$id")
-        );
-    }
-
-    private function getResponseBody(ResponseInterface $response)
-    {
-        return json_decode($response->getBody(), true);
-    }
 }
diff --git a/framework/core/tests/integration/api/forum/ShowTest.php b/framework/core/tests/integration/api/forum/ShowTest.php
index f2d41836f..e46e01a8e 100644
--- a/framework/core/tests/integration/api/forum/ShowTest.php
+++ b/framework/core/tests/integration/api/forum/ShowTest.php
@@ -31,6 +31,22 @@ class ShowTest extends TestCase
         ]);
     }
 
+    /**
+     * @test
+     */
+    public function guest_user_does_not_see_actor_relationship()
+    {
+        $response = $this->send(
+            $this->request('GET', '/api')
+        );
+
+        $this->assertEquals(200, $response->getStatusCode());
+
+        $json = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayNotHasKey('actor', Arr::get($json, 'data.relationships'));
+    }
+
     /**
      * @test
      */
@@ -51,6 +67,8 @@ class ShowTest extends TestCase
         $this->assertEquals('http://localhost/api', Arr::get($json, 'data.attributes.apiUrl'));
 
         $this->assertArrayNotHasKey('adminUrl', Arr::get($json, 'data.attributes'));
+        $this->assertArrayHasKey('actor', Arr::get($json, 'data.relationships'));
+        $this->assertEquals(2, Arr::get($json, 'data.relationships.actor.data.id'));
     }
 
     /**