Requesting the Validation Service

For enrolled cards, the next step is to make a back-end, server-to-server call to request the validation service.

When you make the validation request, you must:

The response that you receive contains the validation result.

It is recommended that you request both payer authentication and card authorization services at the same time. When you do this, the correct information is automatically sent to your payment processor and the values of these fields are converted to the proper format required by your payment processor:

If you request the services separately, you must manually include the validation result values (Validation Check response fields) in the authorization service request (Card Authorization request fields). To receive liability shift protection, you must ensure that you pass all pertinent data for the card type and processor in your request. Failure to do so may invalidate your liability shift for that transaction. Include the electronic commerce indicator (ECI), the transaction ID (XID), the 3-D Secure version, the directory server transaction ID, and the following card-specific information in your authorization request: