2012

IPN Guide July 10, 2012 69
Revision History
Revision history for PayPal Instant Payment Notification Guide.
Date Published Description
07/10/12 Maintenance release.
05/22/12 Maintenance release.
05/02/12 Maintenance release.
04/03/12 Updated references to Website Payments Standard and Website Payments Pro to
PayPal Payments Standard and PayPal Payments Pro, respectively.
02/14/12 Maintenance release.
07/26/11 Added additional IPN variables and transaction types; echeck_time_processed
is new for revision 78.0.
07/17/10 Updated information about IPN messages for Adaptive Payments and added
information for Adaptive Accounts.
04/01/10 Updated IPN history and resend information and added information about IPN
messages for Adaptive Payments.
06/26/09 Added information about IPN messages related to payment review. Updated the
section about setting up IPN notifications on PayPal and added a note about the
delivery of IPN messages to the notify URL.
06/10/09 Added IPN history and resend information and added information to the
troubleshooting section.
03/16/09 Made additions to sample code.
02/16/09 First draft.