Integration Guide

Table Of Contents
Express Checkout Integration Guide May 2010 9
Preface
This document describes Express Checkout integration.
Intended Audience
This document is intended for merchants and developers implementing Express Checkout.
Where to Go for More Information
For information on the administrative tasks you can perform from your PayPal account, see
the Merchant Setup and Administration Guide. The guide is located on the Documentation
page linked to the Library tab in Developer Central.
Revision History
Revision history for Express Checkout Integration Guide.
TABLE 1.1 Revision history
Date Description
05/11/10 Added details for integrating parallel payments using the NVP and SOAP
API, including use with airlines. Added new Immediate Payment
functionality. Updated billing agreements with functionality to obtain the
latest billing address, skip billing agreement creation, and clarify use of the
BAUpdate API.
03/10/10 Added support for parallel payments.
01/21/2010 Added new Express Checkout fields to provide the buyer contact
information, gift options, promotions, and a survey question on the PayPal
pages. Added a new callback response API field providing no-shipping
details.
10/05/2009 Added Immediate Payment.
Edited for technical accuracy.
Removed PayPal placement guidelines.
06/30/2009 Added a section on payment review.