Welcome

This is the Amazon Simple Pay Advanced User Guide.

With Amazon Simple Pay, you can add fully featured payment processing to your application quickly. The Amazon Simple Pay Advanced User Guide is an in-depth guide on how to use all the Amazon Simple Pay buttons. Also included are sections covering button signing, detailed information on all FPS actions used by Amazon Simple Pay, and sample code useage.

How Do I...?

How do I?	Relevant Sections
Decide whether Amazon Simple Pay is right for my needs	Amazon Simple Pay detail page.
Get started with Amazon Simple Pay quickly	Amazon Simple Pay Getting Started Guide
Learn about the advanced Amazon Simple Pay features	Overview Key concepts
Modify the sample code to create a specific button	Creating Button Forms Dynamically
Learn about the HTML components of a well-formed Amazon Simple Pay buttons	Example Button Forms
Make use of the response and transaction content returned by your buttons and by Amazon Payments	Capturing Transaction Data
Cancel and modify subscriptions	Working with Subscription Buttons
Validate responses	Verifying Return Signatures How to Verify the IPN Signature
Refund or settle a payment	How to Settle and Refund Transactions Programmatically
Use the Amazon Flexible Payment actions available with Amazon Simple Pay	API Reference
Work with Instant Payment Notification (IPN)	Using Instant Payment Notification
Use the sandbox for testing and error simulation	Testing your Applications in the Amazon Payments Sandbox
Set defaults for a cancel subscription URL, an IPN URL, and the signing of buttons created using Amazon Payments online forms	Configuring Default Button Values
Learn about Amazon Simple Pay WSDL and Schema	Amazon Simple Pay WSDL and Schema
Use the Flexible Payments Service actions available with Amazon Simple Pay	Simple Pay FPS Actions API Reference
Find sample Code for signing buttons, verifying return data, or generating a button request	Appendix: Sample Code