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Unique IPN variables


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#1 ayersoft

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Posted 05 December 2002 - 09:54 PM

When payment variables are sent to the notify url using IPN, are the verify_sign and payer_id fields contents unique for each recurring payment for a subscription?

Are the fields subscr_id, invoice and custom posted to the notify url using the same variable contents for each recurring payment for a subscription?



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#2 paypal_pb

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Posted 06 December 2002 - 10:35 AM

payer_id is unique to the payer and thus is the same for each IPN for a specific user.

verify_sign is different for every single IPN since it is a "hash" of the IPN fields.

Yes, subscr_id, invoice and custom posted to the notify url using the same variable contents for each recurring payment for a subscription.

Patrick Breitenbach
PayPal, Inc.
Dev Net: https://www.paypal.com/pdn




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