User's Guide

Table Of Contents
Activating and Configuring the Buyer Authentication Service
Testing and Activating the Service
5
28 Fraud Protection Services User’s Guide
5. When the customer enters their password and clicks Submit, the ACS verifies the
password and posts a response to the TermURL (the page on your site that is configured to
receive ACS responses).
6. Submit a Validate Authentication Response transaction request (type Z) to validate (ensure
that the message has not been falsified or tampered with) and decompose the
Authentication Response from the card-issuing bank (ACS). See “Example Validate
Authentication Response” on page 39.
7. The response contains the following data elements:
–XID
Authentication Status
ECI. E-commerce Indicator
Visa: CAVV. Cardholder Authentication Verification Value
or
MasterCard: AAV. Accountholder Authentication Value
Submit these values, along with the standard transaction data, in a standard Sale or
Authorization transaction request, as described in “Call 4: Submit the intended transaction
request to the Payflow server” on page 36.
Testing and Activating the Service
1. Make these other required UI modifications:
Payment page pre-messaging. The example text shown below and in the red boxes in the
figure must appear on your payment page to advise the customer that authentication may
take place.
Example text in “Learn More” box on the left:
Why am I being asked for a password to use my credit card?
Can I purchase a car rantal for someone else using my credit or debit card?
Can I add drivers to my reservation?
More questions?
Example text in “reminder”:
After you check the “Purchase” button, your transaction will be processed.
For your security, Verified by Visa may ask you for information on the next page.
N
OTE: Buyer Authentication can only be activated when Fraud Protection Services is live.