Integration Guide

Table Of Contents
Express Checkout Integration Guide October 2009 7
Preface
This document describes Express Checkout integration.
Intended Audience
This document is intended for developers and merchants 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 available 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
10/05/2009 Added Immediate Payment.
Edited for technical accuracy.
Removed PayPal placement guidelines.
06/30/2009 Added a section on payment review.
6/04/2009 Added a chapter on pre-populating the PayPal review page. Updated PayPal
Review pages. Moved some customization topics out of this guide. They
are now in the Merchant Setup and Administration Guide.
04/08/2009 Added a chapter describing the Instant Update Callback API.
03/03/2009 Updated to allow useraction=continue for eBay incentives.
11/13/2008 Added information about integrating dynamic images and added
information about order details that can be displayed on the PayPal Review
page.
06/30/2008 Complete revision.