diff --git a/src/Abstracts/Transformers/Transformer.php b/src/Abstracts/Transformers/Transformer.php
index d7ac7e622..1e7e070fe 100644
--- a/src/Abstracts/Transformers/Transformer.php
+++ b/src/Abstracts/Transformers/Transformer.php
@@ -19,7 +19,7 @@ public function nullableItem($data, $transformer, $resourceKey = null): Primitiv
             return $this->primitive(null);
         }
 
-        return $this->item($data, $transformer, $resourceKey = null);
+        return $this->item($data, $transformer, $resourceKey);
     }
 
     public function item($data, $transformer, $resourceKey = null): Item
diff --git a/src/Traits/CanEagerLoadTrait.php b/src/Traits/CanEagerLoadTrait.php
index a4f151403..a0de3c225 100644
--- a/src/Traits/CanEagerLoadTrait.php
+++ b/src/Traits/CanEagerLoadTrait.php
@@ -8,6 +8,9 @@
 use Illuminate\Support\Facades\Request;
 use Illuminate\Support\Str;
 
+/**
+ * @internal
+ */
 trait CanEagerLoadTrait
 {
     /**
diff --git a/src/Traits/HasResourceKeyTrait.php b/src/Traits/HasResourceKeyTrait.php
index b39caa7d2..bee6f49ce 100644
--- a/src/Traits/HasResourceKeyTrait.php
+++ b/src/Traits/HasResourceKeyTrait.php
@@ -9,11 +9,14 @@ trait HasResourceKeyTrait
     /**
      * @var string|null
      */
-    #[Deprecated(reason: 'Override the getResourceKey method in the respective model class instead of using the $resourceKey property.')]
+    #[Deprecated(reason: 'Override the getResourceKey method in the respective model class instead of using the $resourceKey property')]
     protected $resourceKey;
 
     /**
-     * Returns the type for JSON API Serializer. Can be overwritten with the protected $resourceKey in respective model class.
+     * Returns the type for JSON API Serializer.
+     *
+     * If the $resourceKey property is set, it will be used as the resource key.
+     * Otherwise, the class name will be used.
      */
     public function getResourceKey(): string
     {
diff --git a/src/Traits/ResponseTrait.php b/src/Traits/ResponseTrait.php
index 9b031c8e3..06e7b7933 100644
--- a/src/Traits/ResponseTrait.php
+++ b/src/Traits/ResponseTrait.php
@@ -13,6 +13,10 @@
 use JetBrains\PhpStorm\Deprecated;
 use Spatie\Fractal\Facades\Fractal;
 
+#[Deprecated(
+    reason: 'All methods in this trait are deprecated and will be removed in the next major release.',
+    replacement: 'Use the Response facade instead.',
+)]
 trait ResponseTrait
 {
     protected array $metaData = [];
@@ -21,8 +25,8 @@ trait ResponseTrait
      * @throws InvalidTransformerException
      */
     #[Deprecated(
-        reason: 'This method is the cause of many bugs and its functionality is already covered by the Fractal package.',
-        replacement: '\Spatie\Fractal\Facades\Fractal::create(%parameter0%,%parameter1%)->parseIncludes(%parameter2%)->addMeta(%parameter3%)->toArray();',
+        reason: 'This method is the cause of many bugs and its functionality is already covered by the Response facade. Use the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom(%parameter0%,%parameter1%)->parseIncludes(%parameter2%)->addMeta(%parameter3%)->toArray();',
     )]
     public function transform(
         $data,
@@ -126,8 +130,8 @@ private function filterResponse(array $responseArray, array $filters): array
     }
 
     #[Deprecated(
-        reason: 'Its functionality is already covered by the Fractal package. Use the addMeta() method on the Fractal instance instead.',
-        replacement: '\Spatie\Fractal\Facades\Fractal::create()->addMeta(%parameter0%)->toArray();',
+        reason: 'Its functionality is already covered by the Response facade. Use the addMeta method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom()->addMeta(%parameter0%)->toArray();',
     )]
     public function withMeta($data): self
     {
@@ -136,19 +140,29 @@ public function withMeta($data): self
         return $this;
     }
 
+    #[Deprecated(
+        reason: 'Its functionality is already covered by the Response facade. Use the toJson method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom(%parameter0%)->toJson();',
+    )]
     public function json($data, $status = 200, array $headers = [], $options = 0): JsonResponse
     {
         return new JsonResponse($data, $status, $headers, $options);
     }
 
+    #[Deprecated(
+        reason: 'Its functionality is already covered by the Response facade. Use the created method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom(%parameter0%)->created();',
+    )]
     public function created($data = null, $status = 201, array $headers = [], $options = 0): JsonResponse
     {
         return new JsonResponse($data, $status, $headers, $options);
     }
 
-    /**
-     * @throws \ReflectionException
-     */
+
+    #[Deprecated(
+        reason: 'Use the noContent method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom(%parameter0%)->noContent();',
+    )]
     public function deleted(Model|null $deletedModel = null): JsonResponse
     {
         if (!$deletedModel) {
@@ -163,11 +177,19 @@ public function deleted(Model|null $deletedModel = null): JsonResponse
         ]);
     }
 
+    #[Deprecated(
+        reason: 'Its functionality is already covered by the Response facade. Use the accepted method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom(%parameter0%)->accepted();',
+    )]
     public function accepted($data = null, $status = 202, array $headers = [], $options = 0): JsonResponse
     {
         return new JsonResponse($data, $status, $headers, $options);
     }
 
+    #[Deprecated(
+        reason: 'Its functionality is already covered by the Response facade. Use the noContent method from the Response facade instead.',
+        replacement: '\Apiato\Core\Facades\Response::createFrom()->noContent();',
+    )]
     public function noContent($status = 204): JsonResponse
     {
         return new JsonResponse(null, $status);