diff --git a/src/Controllers/Api/AngelTypeController.php b/src/Controllers/Api/AngelTypeController.php
index 46314361..ed774770 100644
--- a/src/Controllers/Api/AngelTypeController.php
+++ b/src/Controllers/Api/AngelTypeController.php
@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace Engelsystem\Controllers\Api;
 
+use Engelsystem\Controllers\Api\Resources\AngelTypeResource;
+use Engelsystem\Controllers\Api\Resources\UserAngelTypeResource;
 use Engelsystem\Http\Request;
 use Engelsystem\Http\Response;
 use Engelsystem\Models\AngelType;
@@ -15,13 +17,9 @@ class AngelTypeController extends ApiController
     {
         $models = AngelType::query()
             ->orderBy('name')
-            ->get(['id', 'name', 'description']);
+            ->get();
 
-        $models->map(function (AngelType $model): void {
-            $model->url = $this->getUrl($model);
-        });
-
-        $data = ['data' => $models];
+        $data = ['data' => AngelTypeResource::collection($models)];
         return $this->response
             ->withContent(json_encode($data));
     }
@@ -30,31 +28,9 @@ class AngelTypeController extends ApiController
     {
         $id = (int) $request->getAttribute('user_id');
         $model = User::findOrFail($id);
+        $data = ['data' => UserAngelTypeResource::collection($model->userAngelTypes)];
 
-        $models = $model->userAngelTypes()->get([
-            'angel_types.id',
-            'angel_types.name',
-            'angel_types.description',
-            'angel_types.restricted',
-        ]);
-        $data = [];
-
-        $models->map(function (AngelType $model) use (&$data): void {
-            $model->confirmed = !$model->restricted || $model->pivot->supporter || $model->pivot->confirm_user_id;
-            $model->supporter = $model->pivot->supporter;
-            $model->url = $this->getUrl($model);
-            $modelData = $model->attributesToArray();
-            unset($modelData['restricted']);
-            $data[] = $modelData;
-        });
-
-        $data = ['data' => $data];
         return $this->response
             ->withContent(json_encode($data));
     }
-
-    protected function getUrl(AngelType $model): string
-    {
-        return $this->url->to('/angeltypes', ['action' => 'view', 'angeltype_id' => $model->id]);
-    }
 }
diff --git a/src/Controllers/Api/ApiController.php b/src/Controllers/Api/ApiController.php
index faf4fd81..7e4097d5 100644
--- a/src/Controllers/Api/ApiController.php
+++ b/src/Controllers/Api/ApiController.php
@@ -6,7 +6,6 @@ namespace Engelsystem\Controllers\Api;
 
 use Engelsystem\Controllers\BaseController;
 use Engelsystem\Http\Response;
-use Engelsystem\Http\UrlGeneratorInterface;
 
 abstract class ApiController extends BaseController
 {
@@ -14,7 +13,7 @@ abstract class ApiController extends BaseController
         'api',
     ];
 
-    public function __construct(protected Response $response, protected UrlGeneratorInterface $url)
+    public function __construct(protected Response $response)
     {
         $this->response = $this->response
             ->withHeader('content-type', 'application/json')
diff --git a/src/Controllers/Api/LocationsController.php b/src/Controllers/Api/LocationsController.php
index b27f6319..9a9c4667 100644
--- a/src/Controllers/Api/LocationsController.php
+++ b/src/Controllers/Api/LocationsController.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Engelsystem\Controllers\Api;
 
+use Engelsystem\Controllers\Api\Resources\LocationResource;
 use Engelsystem\Http\Response;
 use Engelsystem\Models\Location;
 
@@ -13,13 +14,9 @@ class LocationsController extends ApiController
     {
         $models = Location::query()
             ->orderBy('name')
-            ->get(['id', 'name']);
+            ->get();
 
-        $models->map(function (Location $model): void {
-            $model->url = $this->url->to('/locations', ['action' => 'view', 'location_id' => $model->id]);
-        });
-
-        $data = ['data' => $models];
+        $data = ['data' => LocationResource::collection($models)];
         return $this->response
             ->withContent(json_encode($data));
     }
diff --git a/src/Controllers/Api/NewsController.php b/src/Controllers/Api/NewsController.php
index 79b23c1c..4ef26d08 100644
--- a/src/Controllers/Api/NewsController.php
+++ b/src/Controllers/Api/NewsController.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Engelsystem\Controllers\Api;
 
+use Engelsystem\Controllers\Api\Resources\NewsResource;
 use Engelsystem\Http\Response;
 use Engelsystem\Models\News;
 
@@ -14,13 +15,9 @@ class NewsController extends ApiController
         $models = News::query()
             ->orderByDesc('updated_at')
             ->orderByDesc('created_at')
-            ->get(['id', 'title', 'text', 'is_meeting', 'is_pinned', 'is_highlighted', 'created_at', 'updated_at']);
+            ->get();
 
-        $models->map(function (News $model): void {
-            $model->url = $this->url->to('/news/' . $model->id);
-        });
-
-        $data = ['data' => $models];
+        $data = ['data' => NewsResource::collection($models)];
         return $this->response
             ->withContent(json_encode($data));
     }
diff --git a/src/Controllers/Api/Resources/AngelTypeResource.php b/src/Controllers/Api/Resources/AngelTypeResource.php
new file mode 100644
index 00000000..2b37f9f3
--- /dev/null
+++ b/src/Controllers/Api/Resources/AngelTypeResource.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class AngelTypeResource extends BasicResource
+{
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->model->id,
+            'name' => $this->model->name,
+            'description' => $this->model->description,
+            'url' => url('/angeltypes', ['action' => 'view', 'angeltype_id' => $this->model->id]),
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/BasicResource.php b/src/Controllers/Api/Resources/BasicResource.php
new file mode 100644
index 00000000..b801a86c
--- /dev/null
+++ b/src/Controllers/Api/Resources/BasicResource.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+use Engelsystem\Models\BaseModel;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Contracts\Support\Jsonable;
+use Illuminate\Support\Collection;
+use Stringable;
+
+/** @phpstan-consistent-constructor */
+abstract class BasicResource implements Arrayable, Jsonable, Stringable
+{
+    public function __construct(protected BaseModel|Collection $model)
+    {
+    }
+
+    /**
+     * @param iterable|Collection|BaseModel[]|Collection[] $data
+     */
+    public static function collection(iterable $data): Collection
+    {
+        $collection = new Collection();
+        foreach ($data as $item) {
+            $collection->add(new static($item));
+        }
+        return $collection;
+    }
+
+    public function toArray(): array
+    {
+        return $this->model->toArray();
+    }
+
+    /**
+     * @param int $options
+     */
+    public function toJson($options = 0): string // phpcs:ignore
+    {
+        return json_encode($this->toArray(), $options);
+    }
+
+    public function __toString(): string
+    {
+        return $this->toJson();
+    }
+}
diff --git a/src/Controllers/Api/Resources/LocationResource.php b/src/Controllers/Api/Resources/LocationResource.php
new file mode 100644
index 00000000..e05bcc24
--- /dev/null
+++ b/src/Controllers/Api/Resources/LocationResource.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class LocationResource extends BasicResource
+{
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->model->id,
+            'name' => $this->model->name,
+            'url' => url('/locations', ['action' => 'view', 'location_id' => $this->model->id]),
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/NewsResource.php b/src/Controllers/Api/Resources/NewsResource.php
new file mode 100644
index 00000000..ef2a6d24
--- /dev/null
+++ b/src/Controllers/Api/Resources/NewsResource.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class NewsResource extends BasicResource
+{
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->model->id,
+            'title' => $this->model->title,
+            'text' => $this->model->text,
+            'is_meeting' => $this->model->is_meeting,
+            'is_pinned' => $this->model->is_pinned,
+            'is_highlighted' => $this->model->is_highlighted,
+            'created_at' => $this->model->created_at,
+            'updated_at' => $this->model->updated_at,
+            'url' => url('/news/' . $this->model->id),
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/ShiftResource.php b/src/Controllers/Api/Resources/ShiftResource.php
new file mode 100644
index 00000000..2087d415
--- /dev/null
+++ b/src/Controllers/Api/Resources/ShiftResource.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+use Illuminate\Contracts\Support\Arrayable;
+
+class ShiftResource extends BasicResource
+{
+    public function toArray(array|Arrayable $location = []): array
+    {
+        return [
+            'id' => $this->model->id,
+            'title' => $this->model->title,
+            'description' => $this->model->description,
+            'starts_at' => $this->model->start,
+            'ends_at' => $this->model->end,
+            'location' => $location instanceof Arrayable ? $location->toArray() : $location,
+            'shift_type' => (new ShiftTypeResource($this->model->shiftType))->toArray(),
+            'created_at' => $this->model->created_at,
+            'updated_at' => $this->model->updated_at,
+            'url' => url('/shifts', ['action' => 'view', 'shift_id' => $this->model->id]),
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/ShiftTypeResource.php b/src/Controllers/Api/Resources/ShiftTypeResource.php
new file mode 100644
index 00000000..b336a056
--- /dev/null
+++ b/src/Controllers/Api/Resources/ShiftTypeResource.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class ShiftTypeResource extends BasicResource
+{
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->model->id,
+            'name' => $this->model->name,
+            'description' => $this->model->description,
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/ShiftWithEntriesResource.php b/src/Controllers/Api/Resources/ShiftWithEntriesResource.php
new file mode 100644
index 00000000..1bd78c71
--- /dev/null
+++ b/src/Controllers/Api/Resources/ShiftWithEntriesResource.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+use Illuminate\Contracts\Support\Arrayable;
+
+class ShiftWithEntriesResource extends ShiftResource
+{
+    public function toArray(array|Arrayable $location = [], array|Arrayable $entries = []): array
+    {
+        return [
+            ...parent::toArray($location),
+            'entries' => $entries instanceof Arrayable ? $entries->toArray() : $entries,
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/UserAngelTypeResource.php b/src/Controllers/Api/Resources/UserAngelTypeResource.php
new file mode 100644
index 00000000..70da3332
--- /dev/null
+++ b/src/Controllers/Api/Resources/UserAngelTypeResource.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class UserAngelTypeResource extends AngelTypeResource
+{
+    public function toArray(): array
+    {
+        return [
+            ...parent::toArray(),
+            'confirmed' => !$this->model->restricted
+                || $this->model->pivot->supporter
+                || $this->model->pivot->confirm_user_id,
+            'supporter' => $this->model->pivot->supporter,
+        ];
+    }
+}
diff --git a/src/Controllers/Api/Resources/UserResource.php b/src/Controllers/Api/Resources/UserResource.php
new file mode 100644
index 00000000..8a89406c
--- /dev/null
+++ b/src/Controllers/Api/Resources/UserResource.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Controllers\Api\Resources;
+
+class UserResource extends BasicResource
+{
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->model->id,
+            'name' => $this->model->name,
+            'first_name' => $this->model->personalData->first_name,
+            'last_name' => $this->model->personalData->last_name,
+            'pronoun' => $this->model->personalData->pronoun,
+            'contact' => $this->model->contact->only(['dect', 'mobile']),
+            'url' => url('/users', ['action' => 'view', 'user_id' => $this->model->id]),
+        ];
+    }
+}
diff --git a/src/Controllers/Api/ShiftsController.php b/src/Controllers/Api/ShiftsController.php
index 082e8e5a..5252928b 100644
--- a/src/Controllers/Api/ShiftsController.php
+++ b/src/Controllers/Api/ShiftsController.php
@@ -4,6 +4,10 @@ declare(strict_types=1);
 
 namespace Engelsystem\Controllers\Api;
 
+use Engelsystem\Controllers\Api\Resources\AngelTypeResource;
+use Engelsystem\Controllers\Api\Resources\LocationResource;
+use Engelsystem\Controllers\Api\Resources\ShiftWithEntriesResource;
+use Engelsystem\Controllers\Api\Resources\UserResource;
 use Engelsystem\Http\Request;
 use Engelsystem\Http\Response;
 use Engelsystem\Models\Location;
@@ -39,53 +43,23 @@ class ShiftsController extends ApiController
 
             $entries = new Collection();
             foreach ($neededAngelTypes as $neededAngelType) {
-                $users = [];
-                foreach ($neededAngelType->users ?? [] as $user) {
-                    $users[] = [
-                        'id' => $user->id,
-                        'name' => $user->name,
-                        'first_name' => $user->personalData->first_name,
-                        'last_name' => $user->personalData->last_name,
-                        'pronoun' => $user->personalData->pronoun,
-                        'contact' => $user->contact->only(['dect', 'mobile']),
-                        'url' => $this->url->to('/users', ['action' => 'view', 'user_id' => $user->id]),
-                    ];
-                }
+                $users = UserResource::collection($neededAngelType->users ?? []);
 
                 // Skip empty entries
-                if ($neededAngelType->count <= 0 && empty($users)) {
+                if ($neededAngelType->count <= 0 && $users->isEmpty()) {
                     continue;
                 }
 
-                $angelTypeData = $neededAngelType->angelType->only(['id', 'name', 'description']);
-                $angelTypeData['url'] = $this->url->to(
-                    '/angeltypes',
-                    ['action' => 'view', 'angeltype_id' => $neededAngelType->angelType->id]
-                );
-
-                $entries[] = [
+                $angelTypeData = new AngelTypeResource($neededAngelType->angelType);
+                $entries[] = new Collection([
                     'users' => $users,
                     'type' => $angelTypeData,
                     'needs' => $neededAngelType->count,
-                ];
+                ]);
             }
 
-            $locationData = $location->only(['id', 'name']);
-            $locationData['url'] = $this->url->to('/locations', ['action' => 'view', 'location_id' => $location->id]);
-
-            $shiftEntries[] = [
-                'id' => $shift->id,
-                'title' => $shift->title,
-                'description' => $shift->description,
-                'starts_at' => $shift->start,
-                'ends_at' => $shift->end,
-                'location' => $locationData,
-                'shift_type' => $shift->shiftType->only(['id', 'name', 'description']),
-                'created_at' => $shift->created_at,
-                'updated_at' => $shift->updated_at,
-                'entries' => $entries,
-                'url' => $this->url->to('/shifts', ['action' => 'view', 'shift_id' => $shift->id]),
-            ];
+            $locationData = new LocationResource($location);
+            $shiftEntries[] = (new ShiftWithEntriesResource($shift))->toArray($locationData, $entries);
         }
 
         $data = ['data' => $shiftEntries];
diff --git a/tests/Unit/Controllers/Api/AngelTypeControllerTest.php b/tests/Unit/Controllers/Api/AngelTypeControllerTest.php
index 8b69bb27..dc161508 100644
--- a/tests/Unit/Controllers/Api/AngelTypeControllerTest.php
+++ b/tests/Unit/Controllers/Api/AngelTypeControllerTest.php
@@ -15,14 +15,13 @@ class AngelTypeControllerTest extends ApiBaseControllerTest
 {
     /**
      * @covers \Engelsystem\Controllers\Api\AngelTypeController::index
-     * @covers \Engelsystem\Controllers\Api\AngelTypeController::getUrl
      */
     public function testIndex(): void
     {
         $this->initDatabase();
         $items = AngelType::factory(3)->create();
 
-        $controller = new AngelTypeController(new Response(), $this->url);
+        $controller = new AngelTypeController(new Response());
 
         $response = $controller->index();
         $this->validateApiResponse('/angeltypes', 'get', $response);
@@ -39,6 +38,7 @@ class AngelTypeControllerTest extends ApiBaseControllerTest
     }
     /**
      * @covers \Engelsystem\Controllers\Api\AngelTypeController::ofUser
+     * @covers \Engelsystem\Controllers\Api\Resources\UserAngelTypeResource::toArray
      */
     public function testOfUser(): void
     {
@@ -46,7 +46,7 @@ class AngelTypeControllerTest extends ApiBaseControllerTest
         $user = User::factory()->create();
         $items = UserAngelType::factory(3)->create(['user_id' => $user->id]);
 
-        $controller = new AngelTypeController(new Response(), $this->url);
+        $controller = new AngelTypeController(new Response());
 
         $response = $controller->ofUser(new Request([], [], ['user_id' => $user->id]));
         $this->validateApiResponse('/users/{id}/angeltypes', 'get', $response);
diff --git a/tests/Unit/Controllers/Api/ApiBaseControllerTest.php b/tests/Unit/Controllers/Api/ApiBaseControllerTest.php
index e157e0a1..b24479b9 100644
--- a/tests/Unit/Controllers/Api/ApiBaseControllerTest.php
+++ b/tests/Unit/Controllers/Api/ApiBaseControllerTest.php
@@ -15,7 +15,6 @@ use Psr\Http\Message\ResponseInterface;
 abstract class ApiBaseControllerTest extends TestCase
 {
     protected OpenApiResponseValidator $validator;
-    protected UrlGeneratorInterface $url;
 
     protected function validateApiResponse(string $path, string $method, ResponseInterface $response): void
     {
@@ -41,6 +40,6 @@ abstract class ApiBaseControllerTest extends TestCase
                 $query = http_build_query($params);
                 return $path . ($query ? '?' . $query : '');
             });
-        $this->url = $url;
+        $this->app->instance('http.urlGenerator', $url);
     }
 }
diff --git a/tests/Unit/Controllers/Api/ApiControllerTest.php b/tests/Unit/Controllers/Api/ApiControllerTest.php
index fe01faa3..296d794c 100644
--- a/tests/Unit/Controllers/Api/ApiControllerTest.php
+++ b/tests/Unit/Controllers/Api/ApiControllerTest.php
@@ -14,7 +14,7 @@ class ApiControllerTest extends ApiBaseControllerTest
      */
     public function testConstruct(): void
     {
-        $controller = new class (new Response('{"some":"json"}'), $this->url) extends ApiController {
+        $controller = new class (new Response('{"some":"json"}')) extends ApiController {
             public function getResponse(): Response
             {
                 return $this->response;
diff --git a/tests/Unit/Controllers/Api/IndexControllerTest.php b/tests/Unit/Controllers/Api/IndexControllerTest.php
index 8d12423e..69f79996 100644
--- a/tests/Unit/Controllers/Api/IndexControllerTest.php
+++ b/tests/Unit/Controllers/Api/IndexControllerTest.php
@@ -15,7 +15,7 @@ class IndexControllerTest extends ApiBaseControllerTest
      */
     public function testIndex(): void
     {
-        $controller = new IndexController(new Response(), $this->url);
+        $controller = new IndexController(new Response());
         $response = $controller->index();
 
         $this->assertEquals(200, $response->getStatusCode());
@@ -32,7 +32,7 @@ class IndexControllerTest extends ApiBaseControllerTest
      */
     public function testIndexV0(): void
     {
-        $controller = new IndexController(new Response(), $this->url);
+        $controller = new IndexController(new Response());
         $response = $controller->indexV0();
 
         $this->assertEquals(200, $response->getStatusCode());
@@ -48,7 +48,7 @@ class IndexControllerTest extends ApiBaseControllerTest
      */
     public function testOptions(): void
     {
-        $controller = new IndexController(new Response(), $this->url);
+        $controller = new IndexController(new Response());
         $response = $controller->options();
 
         $this->assertEquals(200, $response->getStatusCode());
@@ -61,7 +61,7 @@ class IndexControllerTest extends ApiBaseControllerTest
      */
     public function testNotFound(): void
     {
-        $controller = new IndexController(new Response(), $this->url);
+        $controller = new IndexController(new Response());
         $response = $controller->notFound();
 
         $this->assertEquals(404, $response->getStatusCode());
@@ -74,7 +74,7 @@ class IndexControllerTest extends ApiBaseControllerTest
      */
     public function testNotImplemented(): void
     {
-        $controller = new IndexController(new Response(), $this->url);
+        $controller = new IndexController(new Response());
         $response = $controller->notImplemented();
 
         $this->assertEquals(405, $response->getStatusCode());
diff --git a/tests/Unit/Controllers/Api/LocationsControllerTest.php b/tests/Unit/Controllers/Api/LocationsControllerTest.php
index 6cc6a6e7..951ec520 100644
--- a/tests/Unit/Controllers/Api/LocationsControllerTest.php
+++ b/tests/Unit/Controllers/Api/LocationsControllerTest.php
@@ -12,12 +12,13 @@ class LocationsControllerTest extends ApiBaseControllerTest
 {
     /**
      * @covers \Engelsystem\Controllers\Api\LocationsController::index
+     * @covers \Engelsystem\Controllers\Api\Resources\LocationResource::toArray
      */
     public function testIndex(): void
     {
         $items = Location::factory(3)->create();
 
-        $controller = new LocationsController(new Response(), $this->url);
+        $controller = new LocationsController(new Response());
 
         $response = $controller->index();
         $this->validateApiResponse('/locations', 'get', $response);
diff --git a/tests/Unit/Controllers/Api/NewsControllerTest.php b/tests/Unit/Controllers/Api/NewsControllerTest.php
index f85a8e51..b7ee50bd 100644
--- a/tests/Unit/Controllers/Api/NewsControllerTest.php
+++ b/tests/Unit/Controllers/Api/NewsControllerTest.php
@@ -12,12 +12,13 @@ class NewsControllerTest extends ApiBaseControllerTest
 {
     /**
      * @covers \Engelsystem\Controllers\Api\NewsController::index
+     * @covers \Engelsystem\Controllers\Api\Resources\NewsResource::toArray
      */
     public function testIndex(): void
     {
         $items = News::factory(3)->create();
 
-        $controller = new NewsController(new Response(), $this->url);
+        $controller = new NewsController(new Response());
 
         $response = $controller->index();
         $this->validateApiResponse('/news', 'get', $response);
diff --git a/tests/Unit/Controllers/Api/Resources/BasicResourceTest.php b/tests/Unit/Controllers/Api/Resources/BasicResourceTest.php
new file mode 100644
index 00000000..a1580f52
--- /dev/null
+++ b/tests/Unit/Controllers/Api/Resources/BasicResourceTest.php
@@ -0,0 +1,100 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Test\Unit\Controllers\Api\Resources;
+
+use Engelsystem\Controllers\Api\Resources\BasicResource;
+use Engelsystem\Models\BaseModel;
+use Engelsystem\Test\Unit\TestCase;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Contracts\Support\Jsonable;
+use Illuminate\Support\Collection;
+use Stringable;
+
+class BasicResourceTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::__construct
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::toArray
+     */
+    public function testToArray(): void
+    {
+        $model = $this->getModel();
+        $resource = $this->getResource($model);
+
+        $this->assertInstanceOf(Arrayable::class, $resource);
+        $this->assertEquals(['test' => 'value'], $resource->toArray());
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::toJson
+     */
+    public function testToJson(): void
+    {
+        $model = $this->getModel();
+        $resource = $this->getResource($model);
+
+        $this->assertInstanceOf(Jsonable::class, $resource);
+        $this->assertEquals('{"test":"value"}', $resource->toJson());
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::toJson
+     */
+    public function testToJsonOptions(): void
+    {
+        $resource = $this->getResource(new Collection());
+
+        $this->assertInstanceOf(Jsonable::class, $resource);
+        $this->assertEquals('{}', $resource->toJson(JSON_FORCE_OBJECT));
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::__toString
+     */
+    public function testToString(): void
+    {
+        $model = $this->getModel();
+        $resource = $this->getResource($model);
+
+        $this->assertInstanceOf(Stringable::class, $resource);
+        $this->assertEquals('{"test":"value"}', (string) $resource);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Api\Resources\BasicResource::collection
+     */
+    public function testCollection(): void
+    {
+        $resource = $this->getResource(new Collection());
+        $modelA = $this->getModel();
+        $modelB = $this->getModel()->setAttribute('test', 'B');
+        $collection = $resource->collection([$modelA, $modelB]);
+
+        $this->assertInstanceOf(Collection::class, $collection);
+        $this->assertCount(2, $collection);
+
+        $this->assertInstanceOf(BasicResource::class, $collection->first());
+        $this->assertEquals(['test' => 'value'], $collection->first()->toArray());
+
+        $this->assertInstanceOf(BasicResource::class, $collection->last());
+        $this->assertEquals(['test' => 'B'], $collection->last()->toArray());
+    }
+
+    protected function getResource(BaseModel|Collection $model): BasicResource
+    {
+        return new class ($model) extends BasicResource {
+        };
+    }
+
+
+    protected function getModel(): BaseModel
+    {
+        $model = new class extends BaseModel {
+        };
+        $model->setAttribute('test', 'value');
+
+        return $model;
+    }
+}
diff --git a/tests/Unit/Controllers/Api/ShiftsControllerTest.php b/tests/Unit/Controllers/Api/ShiftsControllerTest.php
index 05d837d3..6efc8c75 100644
--- a/tests/Unit/Controllers/Api/ShiftsControllerTest.php
+++ b/tests/Unit/Controllers/Api/ShiftsControllerTest.php
@@ -20,6 +20,11 @@ class ShiftsControllerTest extends ApiBaseControllerTest
 {
     /**
      * @covers \Engelsystem\Controllers\Api\ShiftsController::entriesByLocation
+     * @covers \Engelsystem\Controllers\Api\Resources\ShiftResource::toArray
+     * @covers \Engelsystem\Controllers\Api\Resources\ShiftTypeResource::toArray
+     * @covers \Engelsystem\Controllers\Api\Resources\ShiftWithEntriesResource::toArray
+     * @covers \Engelsystem\Controllers\Api\Resources\UserResource::toArray
+     * @covers \Engelsystem\Controllers\Api\Resources\AngelTypeResource::toArray
      * @covers \Engelsystem\Controllers\Api\ShiftsController::getNeededAngelTypes
      */
     public function testEntriesByLocation(): void
@@ -83,7 +88,7 @@ class ShiftsControllerTest extends ApiBaseControllerTest
         $request = new Request();
         $request = $request->withAttribute('location_id', $location->id);
 
-        $controller = new ShiftsController(new Response(), $this->url);
+        $controller = new ShiftsController(new Response());
 
         $response = $controller->entriesByLocation($request);
         $this->validateApiResponse('/locations/{id}/shifts', 'get', $response);