• 01 Nov 11
  

  C Bal a11

  paypal IPN

• 25 Nov 08
  

  jay wazurkar

  IPN variable cms ecom ektron paypal

• 25 Sep 08
  

  harry palmer

  paypal smd_site reference ipn variables

  • IPN/PDT Variable Reference

     

     

    This page is the complete list of possible variables that can be included in the Instant Payment Notification (IPN) or Payment Data Transfer (PDT) post that PayPal sends to your server.

      

    Unless otherwise indicated in the table column labeled Possible Values, the value of a variable is always specific to the transaction whose information is being posted.

      

    In the Sandbox environment, Instant Payment Notification includes the additional variable test_ipn with a value of 1 (one). The purpose of test_ipn is to provide testing programs a means to differentiate between Sandbox IPN and live IPN.

      

    The value of the notify_version variable is the version number of Instant Payment Notification that makes the post. The value notify_version is a means for PayPal to track versions of IPN. There is no need for your programs to store this value or query it.

      

    The value of verify_sign is an encrypted string used to validate the authenticity of the transaction.
• 01 Aug 08
  

  c bala

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• 01 May 08
  

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  This page is the complete list of possible variables that can be included in the Instant Payment Notification (IPN) or Payment Data Transfer (PDT) post that PayPal sends to your server.
  

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• 28 Apr 08
  

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  • This page is the complete list of possible variables that can be included in the Instant Payment Notification (IPN) or Payment Data Transfer (PDT) post that PayPal sends to your server.
• 07 Apr 08
  

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  The complete list of possible variables that can be included in the Instant Payment Notification (IPN) or Payment Data Transfer (PDT) post that PayPal sends to your server.

  PayPal IPN Web Development

• 23 Jan 08
  

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  This page is the complete list of possible variables that can be included in the Instant Payment Notification (IPN) or Payment Data Transfer (PDT) post that PayPal sends to your server.

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