PAYOSWXP-123

please see related issue for more information

src/Payone/RequestParameter/RequestParameterFactory.php

@@ -6,6 +6,7 @@
 
 use PayonePayment\Payone\RequestParameter\Builder\AbstractRequestParameterBuilder;
 use PayonePayment\Payone\RequestParameter\Struct\AbstractRequestParameterStruct;
+use PayonePayment\Payone\RequestParameter\Struct\ClientApiRequest;
 use PayonePayment\Payone\RequestParameter\Struct\GetFileStruct;
 
 class RequestParameterFactory
@@ -53,6 +54,12 @@ private function filterParams(AbstractRequestParameterStruct $arguments, array $
             unset($parameters['aid'], $parameters['hash']);
         }
 
+        if ($arguments instanceof ClientApiRequest) {
+            unset($parameters['key']);
+        } else {
+            unset($parameters['hash']);
+        }
+
         return $parameters;
     }
 

src/Payone/RequestParameter/Struct/ClientApiRequest.php

@@ -0,0 +1,7 @@
+<?php declare(strict_types=1);
+
+namespace PayonePayment\Payone\RequestParameter\Struct;
+
+interface ClientApiRequest
+{
+}

src/Payone/RequestParameter/Struct/CreditCardCheckStruct.php

@@ -7,7 +7,7 @@
 use PayonePayment\Payone\RequestParameter\Struct\Traits\SalesChannelContextTrait;
 use Shopware\Core\System\SalesChannel\SalesChannelContext;
 
-class CreditCardCheckStruct extends AbstractRequestParameterStruct
+class CreditCardCheckStruct extends AbstractRequestParameterStruct implements ClientApiRequest
 {
     use SalesChannelContextTrait;