Status of Authentication Code

Value	Definition
Y	Yes, Bank is participating in 3-D Secure protocol and will return the ACSUrl
N	No, Bank is not participating in 3-D Secure protocol
U	Unavailable, The DS or ACS is not available for authentication at the time of the request
B	Bypass, Merchant authentication rule is triggered to bypass authentication in this use case

Transactions Status Result Identifier Codes

Value	Definition
Y	Successful Authentication
N	Failed Authentication
U	Unable to Complete Authentication
A	Successful Attempts Transaction
B	You can proceed to authorisation using the information received
R	Authentication Rejected (Merchant must not submit for authorisation)

Value	Definition
Y	Indicates that the signature of the PARes has been validated successfully and the message contents can be trusted.
N	Indicates that the PARes could not be validated. This result could be for a variety of reasons; tampering, certificate expiration, etc., and the result should not be trusted.
null	If not sent then null

Value	Definition
02 or 05	Fully Authenticated Transaction
01 or 06	Attempted Authentication Transaction
00 or 07	Non 3-D Secure Transaction
02, 01, 00	Mastercard
05, 06, 07	Visa
05, 06, 07	Amex
05, 06, 07	JCB
05, 06, 07	Diners