Active Merchant makes it extremely simple to use Paypal IPN. Here is a simple guide for getting IPN up and running.
Sign up for a Paypal sandbox account
Paypal provides a sandbox environment that mimics their production environment, with the exception that it doesn’t actually process the transactions. This is extremely useful for development and testing. [...]
Archive for August, 2009
Paypal Instant Payment Notification in Rails with Active Merchant
August 5th, 2009
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