The Authorize.Net Developer Blog

Posts from Authorize.Net employees, community members and experts about integrating with the Authorize.Net Payment Gateway: sample code, tutorials, and problem-solving techniques, just to name a few.

Handling Online Payments Part 6 - Preventing Duplicate Submissions with POST/REDIRECT/GET

by Expert ‎03-16-2011 10:59 AM - edited ‎04-24-2012 04:41 AM (75,689 Views)

The payment form we created in the first five parts of this series is very good. But it could be better. Part 6 begins a new chapter in this series where we improve upon our payment to make it more usable, secure, and maintainable. We begin by preventing users from making duplicate form submissions by using the POST/REDIRECT/GET design pattern.