Integration Guide

Table Of Contents
Immediate Payment
About Immediate Payment For Third Party Checkout
8
92 May 2010 Express Checkout Integration Guide
z By design, it does not support non-instant funds like Electronic Funds Transfer, eCheck, or
ELV.
z It is limited to Express Checkout for eBay auctions only.
z It is limited to processing a single payment per transaction; the buyer can check out with
only one item at a time.
z Sale is the only payment action supported.
z It does inventory checking at eBay and attempts to purchase the item.
After the buyer selects the item on eBay, the buyer is redirected to your website Express
Checkout flow. The figure below shows how Immediate Payment for third-party checkout
integrates into your checkout flow.
From left to right, the following events are represented. The numbered callouts in the figure
directly correspond to the numbered comments below:
1. The eBay flow for third-party checkout redirects the buyer from an eBay payment review
page to your shopping cart page. On your shopping cart page, the buyer initiates Express
Checkout by clicking the Checkout with PayPal button.