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developers.2Checkout is a place for interested developers to learn, share, and have fun.

We have a developer forum and a few tools that will be especially useful to those who make software that interacts with 2Checkout.

Purchase Machine and Code Generator
An application created to allow you to easily test the 2Checkout purchase routine, as well as generate code that you can use to integrate with 2Checkout.
Return Script
A script that you can use to test the 2Checkout return process. This will analyze and display useful information returned from our purchase routine when a sale is completed.
Instant Notification System Simulator
An application created to allow you to simulate our Instant Notification System for integration development and testing.