CVV2 Response Codes

Code Security Code Responses

Responses from Security Code in Query Card, and Create Transaction. Returned in codeSecurityCode.

Response Code Description
M Security Code was matched
N Security Code was not matched
P Issuer does not participate. Security Code verification was not performed.

American Express

For American Express Cards, the CVV2 Response Codes include:

Response CodeDescription
YMatch
UUnable to Process
NNo Match