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Response codes

This section helps you understand the meaning of the result codes used in the acquiring world.

  • Issuer response codes: There are many possible reasons for the outcome of a transaction. In this page, we will explain the responses returned by issuers and help you understand the result of authorization process.
  • AVS codes: Address Verification Service (AVS) is a service that helps you verify if a billing address matches the address of a credit card holder, in order to authenticate the ownership of a card used by your customer. In this page, we will explain the responses you might receive when AVS is performed, and corresponding descriptions on our Webapp.
  • CVC2/CVV2 codes: Card Verifiction Code 2 (CVC2, also refered to as CVV2), is a three- or four- digit code printed on a card. Issuers check against this information to verify whether one transaction is fraudulent or not. In this page, we will explain the responses you might receive when CVC2/CVV2 is checked, and the corresponding descriptions on our Webapp.