Integration Guide

Table Of Contents
Express Checkout Integration Guide May 2010 15
Introducing Express Checkout
Express Checkout Building Blocks
1
Integrating Express Checkout from the Shopping Cart page
Payment Option Entry Point
The payment option entry point is one of the places where you must implement Express
Checkout. Buyers initiate the Express Checkout flow on your payment methods page by
selecting PayPal as the default option.
The following diagram shows how to integrate Express Checkout from your payment methods
page:
Integrating Express Checkout from the Payment Method page
Express Checkout Building Blocks
You implement Express Checkout flows with Express Checkout buttons, PayPal API
operations, PayPal commands, and tokens.