HTTP + XML
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /xml/oneway/GetMembershipCardRequest HTTP/1.1 
Host: api-beta.ghs-automotive.nl 
Content-Type: application/xml
Content-Length: length
<GetMembershipCardRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/S1.Api.Domain.Models.Cart">
  <CardId>String</CardId>
</GetMembershipCardRequest>