PayPal Pro - 2012 Guia do Utilizador descarregar pdf (Página 90)

Implementing 3-D Secure Transactions (UK Only)

Transaction Processing

90 April 2012 PayPal Payments Pro Integration Guide

URL to Handle Issuer’s Response

You must establish a page on your site whose URL can receive a form POST from the card’s

issuer that contains two fields, PaRes and MD. The page must then request

cmpi_authenticate as described in the next section. Your page’s URL is referred to as

TermURL.

Transaction Flow

NOTE: The steps in this section are explained in the Cardinal Thin Client Integration Guide

Payer Authentication document; refer there for the most current information. This

summary is provided for you as a convenience.

Transaction flow with numbered steps

To create a 3-D Secure transaction using Website Payments Pro and Cardinal Centinel, do the

following before executing the direct payment request:

1. Call Cardinal Centinel with the cmpi_lookup request, passing your merchant and

transaction information.

See cmpi_lookup API for the complete list of required fields.

2. The cmpi_lookup request responds with several fields; see cmpi_lookup API for details

about these fields:

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