Prerequisites
Notify your account representative that you want to implement payer authentication (3-D
Secure) using the Direct API integration. Provide the merchant ID that you will use for
testing. For more information, see Required
Merchant Information.
Before you can implement payer authentication services, your business team must contact
your acquirer and
Barclays
to establish the service. Your software
development team should become familiar with the API fields and technical details of
this service.