CreditAccountVerify is used to verify that the associated account is in good standing with the Issuer. This is a zero dollar transaction with no associated authorization.
Note:UnionPay cards do not support Verification when routing directly to UnionPay International for approval. UnionPay cards routing through either the Discover or JCB networks may obtain verification. (UnionPay direct routing available for Canada merchants on the GSAP authorization platform only).