Problems with SOAP-API integration (All-Inkl KAS) - XML parsing Issues

Hi Guys,

I are currently trying to integrate the All-Inkl KAS API (documentation) via n8n and are encountering persistent problems. Maybe someone has experience with this particular SOAP API?

Our goal:
Creating hosting accounts via add_account endpoint

Two-step authentication:

KasAuth for session tokens

KasAction for account creation

Technical details:
API type: SOAP 1.1

Endpoints:

Auth: https://kasapi.kasserver.com/soap/api.wsdl

Actions: https://kasapi.kasserver.com/soap/

Special feature: SHA1-hashed passwords