Test American Express Card Verification

Before using CVN with American Express, it is strongly recommended that you follow these steps:
  1. Contact customer support to have your account configured for CVN. Until you do this, you will receive a
    1
    in the
    processorInformation.cardVerification.resultCode
    response field.
  2. Test your system in production using a small currency amount, such as one currency unit. Instead of using the test account numbers, use a real payment card account number, and send an incorrect CVN in the request for authorization. The card should be refused and the request declined.