Integration Guide

Table Of Contents
PayPal Payments Pro Integration Guide April 2012 31
Introducing Express Checkout
Express Checkout Building Blocks
3
Express Checkout Token Usage
Express Checkout uses a token to control access to PayPal and execute Express Checkout API
operations.
The SetExpressCheckout API operation returns a token, which is used by other Express
Checkout API operations and by the _ExpressCheckout command to identify the
transaction. The life of the token is approximately 3 hours.