diff --git a/Controller/ApiAttributeController.php b/Controller/ApiAttributeController.php
index 0768e7b..44ef5d8 100644
--- a/Controller/ApiAttributeController.php
+++ b/Controller/ApiAttributeController.php
@@ -58,16 +58,15 @@ final class ApiAttributeController extends Controller
     public function apiLotAttributeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateLotAttributeCreate($request))) {
-            $response->data['attribute_create'] = new FormValidation($val);
-            $response->header->status           = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $attribute = $this->createLotAttributeFromRequest($request);
         $this->createModel($request->header->account, $attribute, LotAttributeMapper::class, 'attribute', $request->getOrigin());
-
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Attribute', 'Attribute successfully created', $attribute);
+        $this->createStandardCreateResponse($request, $response, $attribute);
     }
 
     /**
@@ -137,15 +136,15 @@ final class ApiAttributeController extends Controller
     public function apiLotAttributeTypeL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateLotAttributeTypeL11nCreate($request))) {
-            $response->data['attr_type_l11n_create'] = new FormValidation($val);
-            $response->header->status                = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $attrL11n = $this->createLotAttributeTypeL11nFromRequest($request);
         $this->createModel($request->header->account, $attrL11n, LotAttributeTypeL11nMapper::class, 'attr_type_l11n', $request->getOrigin());
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Localization', 'Localization successfully created', $attrL11n);
+        $this->createStandardCreateResponse($request, $response, $attrL11n);
     }
 
     /**
@@ -206,16 +205,15 @@ final class ApiAttributeController extends Controller
     public function apiLotAttributeTypeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateLotAttributeTypeCreate($request))) {
-            $response->data['attr_type_create'] = new FormValidation($val);
-            $response->header->status           = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $attrType = $this->createLotAttributeTypeFromRequest($request);
         $this->createModel($request->header->account, $attrType, LotAttributeTypeMapper::class, 'attr_type', $request->getOrigin());
-
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Attribute type', 'Attribute type successfully created', $attrType);
+        $this->createStandardCreateResponse($request, $response, $attrType);
     }
 
     /**
@@ -232,7 +230,7 @@ final class ApiAttributeController extends Controller
         $attrType                    = new AttributeType($request->getDataString('name') ?? '');
         $attrType->datatype          = $request->getDataInt('datatype') ?? 0;
         $attrType->custom            = $request->getDataBool('custom') ?? false;
-        $attrType->isRequired        = (bool) ($request->getData('is_required') ?? false);
+        $attrType->isRequired        = $request->getDataBool('is_required') ?? false;
         $attrType->validationPattern = $request->getDataString('validation_pattern') ?? '';
         $attrType->setL11n($request->getDataString('title') ?? '', $request->getDataString('language') ?? ISO639x1Enum::_EN);
         $attrType->setFields($request->getDataInt('fields') ?? 0);
@@ -277,8 +275,8 @@ final class ApiAttributeController extends Controller
     public function apiLotAttributeValueCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateLotAttributeValueCreate($request))) {
-            $response->data['attr_value_create'] = new FormValidation($val);
-            $response->header->status            = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
@@ -295,7 +293,7 @@ final class ApiAttributeController extends Controller
             );
         }
 
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Attribute value', 'Attribute value successfully created', $attrValue);
+        $this->createStandardCreateResponse($request, $response, $attrValue);
     }
 
     /**
@@ -362,15 +360,15 @@ final class ApiAttributeController extends Controller
     public function apiLotAttributeValueL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateLotAttributeValueL11nCreate($request))) {
-            $response->data['attr_value_l11n_create'] = new FormValidation($val);
-            $response->header->status                 = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $attrL11n = $this->createLotAttributeValueL11nFromRequest($request);
         $this->createModel($request->header->account, $attrL11n, LotAttributeValueL11nMapper::class, 'attr_value_l11n', $request->getOrigin());
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Localization', 'Localization successfully created', $attrL11n);
+        $this->createStandardCreateResponse($request, $response, $attrL11n);
     }
 
     /**
diff --git a/Controller/ApiStockTypeController.php b/Controller/ApiStockTypeController.php
index 87d4e29..fdef4b6 100644
--- a/Controller/ApiStockTypeController.php
+++ b/Controller/ApiStockTypeController.php
@@ -22,10 +22,8 @@ use Modules\WarehouseManagement\Models\StockTypeMapper;
 use phpOMS\Localization\BaseStringL11n;
 use phpOMS\Localization\ISO639x1Enum;
 use phpOMS\Message\Http\RequestStatusCode;
-use phpOMS\Message\NotificationLevel;
 use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
-use phpOMS\Model\Message\FormValidation;
 
 /**
  * Warehouse class.
@@ -53,16 +51,15 @@ final class ApiStockTypeController extends Controller
     public function apiStockTypeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateStockTypeCreate($request))) {
-            $response->data['stock_type_create'] = new FormValidation($val);
-            $response->header->status           = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $stockType = $this->createStockTypeFromRequest($request);
         $this->createModel($request->header->account, $stockType, StockTypeMapper::class, 'stock_type', $request->getOrigin());
-
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Stock type', 'Stock type successfully created', $stockType);
+        $this->createStandardCreateResponse($request, $response, $stockType);
     }
 
     /**
@@ -120,15 +117,15 @@ final class ApiStockTypeController extends Controller
     public function apiStockTypeL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateStockTypeL11nCreate($request))) {
-            $response->data['stock_type_l11n_create'] = new FormValidation($val);
-            $response->header->status                = RequestStatusCode::R_400;
+            $response->header->status = RequestStatusCode::R_400;
+            $this->createInvalidCreateResponse($request, $response, $val);
 
             return;
         }
 
         $stockTypeL11n = $this->createStockTypeL11nFromRequest($request);
         $this->createModel($request->header->account, $stockTypeL11n, StockTypeL11nMapper::class, 'stock_type_l11n', $request->getOrigin());
-        $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Localization', 'Localization successfully created', $stockTypeL11n);
+        $this->createStandardCreateResponse($request, $response, $stockTypeL11n);
     }
 
     /**