Advanced Features Guide

Table Of Contents
Implementing the Instant Update API
About the Instant Update API
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80 April 2012 Express Checkout Advanced Features Guide
4. Eliminate your shipping options page.
5. Test your integration for the callback and flat-rate shipping options.
Post-Integration Checkout Experience
After you integrate the Instant Update API, you can display the shipping options, related
insurance options, and the tax amount. You control what to display, which is instantly updated
on the page.
The shipping options, related insurance options, and the tax amount appear on the page, as
follows: