NullValues for SEPA payment page with Direct POST
I'm trying to implement a Direct POST form for Payment Pages 2.0 for SEPA payments. When I submit the form I always get the error messages bankAccountNumber:NullValue and bankAccountName:NullValue, although the fields field_bankAccountNumber and field_bankAccountName are set in the request body.
The fields I send are:
Do I also have to encrypt the fields as for credit card values?