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Issues with Cybersource Secure Acceptance Payment Integration


I am experiencing issues with the Cybersource Secure Acceptance payment integration. Despite following the documentation and generating the required parameters and signature, I consistently encounter session timeouts and timestamp mismatches.

Steps Taken:

  1. Setup and Configuration:

    • Implemented the integration using Node.js with the provided access key, profile ID, and secret key.
    • Ensured the server's clock is synchronized using NTP.
  2. Code Implementation:

Every time I get this response 

"You are not authorized to view this page. The transaction has not been processed."

I have already checked this link and according to me every data is passed correctly.

It would be a great help if you could let me know what I am missing or doing wrong. Here is one of the reference error no:  E-5B845C30432C4ACE935F7440515032E8