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What do AVS response codes mean?

Find out what the AVS result says about the address and postcode checks

Address Verification Service (AVS) compares the billing address and postcode submitted with a card payment against the details held by the card issuer.

The AVS response contains separate results for the address and postcode checks.

Code

Address result

Postcode result

24

Matched

Not matched

42

Not matched

Matched

44

Not matched

Not matched

 

Important: An AVS mismatch does not automatically mean that the payment was declined or fraudulent. Review the AVS result alongside the payment status and any other fraud checks, such as CVV/CVC and 3-D Secure.

 

How should I use the result?

  • Check whether the address and postcode matched.
  • Review the payment status separately to confirm whether the transaction was approved or declined.
  • Consider the AVS result alongside your other fraud-prevention checks.
  • Do not rely on AVS alone when deciding whether to fulfil an order.