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About the IPN.tools

 IPN, or Instant Payment Notification, is a messaging service used by payment gateways like PayPal to automatically notify a merchant's server about events related to transactions, such as a successful payment, a refund, a chargeback, or a dispute. It is not a standalone software but rather a protocol and service that developers can integrate into their own websites and applications to automate back-office functions like order fulfillment and accounting. The IPN system sends a notification to a listener page on the merchant's server, which then processes the information and takes the appropriate action.