PayPal
From Organic Design wiki
MediaWiki Extension
MW:Extension:PayPal is an extension for creating PayPal donation forms using a <paypal> tag. PokerCoder requested adding IPN support to the extension through this RentACoder job and has accepted User:Nad's bid to complete the work.
IPN
Instant Payment Notification, included with Website Payment products, Express Checkout, and Standard Checkout, is available to PayPal Premier and Business members. Instant Payment Notification allows you to integrate your PayPal payments with your website's back-end operations, so that you get immediate notification and authentication of any PayPal payments and disputes you may receive.
- IPN at PayPal Integration Center
- IPN Introduction for Developers
- DesignerTuts Tutorial
- IPN Manual
- IPN Technical Overview
- Instant Code Samples
- IPN Techniques
- Basic Inventory Management Using IPN
- IPN Test Environment
- IPN PHP Script Generator