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phppaypalpaypal-ipn

Paypal IPN Initial and Subsequent Responses

I'm working on a project that deals with different payments using Paypal, that is,

  • one-time payments
  • subscriptions
  • instalments

I'm just curious about these issues:

  1. Is the notification URL being called after a buyer is auto-debited for each subscription/instalment cycle (e.g. monthly, annual, etc.)?
  2. If #1 is true, is there a difference in the IPN response for the initial subscription/instalment payment and subsequent payments for that same order?
  3. If #1 and #2 are true, can you give me a sample response string to demonstrate the difference?

Thanks in advanced.

Solution

  • Below are additional variables that are used for Instant Payment Notifications for Subscriptions and Recurring Payments

    https://www.paypal.com/nz/cgi-bin/webscr?cmd=p/acc/ipn-subscriptions-outside