Appendix: Sample Code

This appendix provides an overview of the sample code for several key tasks you need to accomplish for Amazon Simple Pay. Updated for signature version 2, they include a button generator for each button, as well as samples to validate and process return URLs and IPN notifications.

Packaged in five programming languages (C#, Java, Perl, PHP, and Ruby), they are available from the Amazon Web Services developer community, under the Amazon Flexible Payments Service category. Refer to the following table for specific sample packages.