Approval codes and EMV tags

Last updated: June 24, 2026

Quick answer

approvalCode (bank auth code) and processorResponseCode (host response code) are in gateway_transaction_response. EMV tags matter for chargebacks. See Available Events.

Solution

  • approvalCode — bank authorization code
  • processorResponseCode — host response code

Both appear in gateway_transaction_response. EMV tags are important for chargeback defense.

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