Use correct API url variable

public/typo3conf/ext/ep_theme/Classes/Service/BookingApiService.php

@@ -75,7 +75,7 @@ class BookingApiService implements SingletonInterface, LoggerAwareInterface
         $client = HttpClient::create();
 
         try {
-            $client->request('POST', $this->apiEndpointUrl, [
+            $client->request('POST', $this->apiEndpointUrl . '/api/contactform', [
                 'headers' => [
                     'X-AUTH-TOKEN' => $this->apiToken,
                     'Content-type' => 'application/json',

public/typo3conf/ext/ep_theme/Resources/Private/Partials/Config.html

@@ -1,7 +1,7 @@
 <script type="application/json" id="appconfig">
     {
         "loaderUrl": "<f:format.raw>{f:uri.image(src: 'EXT:ep_theme/Resources/Public/images/ajax-loader-white.gif', absolute: 1)}</f:format.raw>",
-        "myEpApiBaseUrl": "<f:format.raw>{settings.myEpApiBaseUrl}</f:format.raw>",
+        "myEpApiBaseUrl": "<f:format.raw>{settings.myEpApiEndpointUrl}</f:format.raw>",
         "paCode": <f:if condition='{context.paCode}'><f:then>"{context.paCode}"</f:then><f:else>null</f:else></f:if>,
         "externalDomains": {settings.domainsToTrack -> v:iterator.explode() -> f:format.json() -> f:format.raw()}
     }