Authorizations with a Card Verification Number

This section shows you how to process an authorization with a Card Verification Number (CVN).

CVN Results

The response includes a raw response code and a mapped response code:
  • The raw response code is the value returned by the processor. This value is returned in the
    field. Use this value only for debugging purposes; do not use it to determine the card verification response.
  • The mapped response code is the pre-defined value that corresponds to the raw response code. This value is returned in the
Even when the CVN does not match the expected value, the issuing bank might still authorize the transaction. You will receive a CVN decline, but you can still capture the transaction because it has been authorized by the bank. However, you must review the order to ensure that it is legitimate.
Settling authorizations that fail the CVN check might have an impact on the fees charged by your bank. Contact your bank for details about how card verification management might affect your discount rate.
When a CVN decline is received for the authorization in a sale request, the capture request is not processed unless you set the
field to
CVN Results for American Express
A value of
in the
field indicates that your account is not configured to use card verification. Contact customer support to have your account enabled for this feature.
CVN Results for Discover
When the CVN does not match, Discover refuses the card and the request is declined. The reply message does not include the
field, which indicates that the CVN failed.
CVN Results for Visa and Mastercard
A CVN code of
causes the request to be declined with a reason code value of
. You can still capture the transaction, but you must review the order to ensure that it is legitimate.
, not the issuer, assigns the CVN decline to the authorization. You can capture any authorization that has a valid authorization code from the issuer, even when the request receives a CVN decline.
When the issuer does not authorize the transaction and the CVN does not match, the request is declined because the card is refused. You cannot capture the transaction.

Fields Specific to this Use Case

Include this field with a standard authorization request when processing an authorization with a CVN:
  • paymentInformation.card.securityCode


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