Raw 3D Secure responses

Response codes provided by the 3D Secure lookup are the following.

3D Offered

This status indicates whether the card is enrolled in the 3D Secure program and if 3D Secure was offered or not. 

Raw Response Description
Y Enrolled
U Authentication Unavailable
N Not Enrolled (the card is not enrolled for 3D Secure)
N/A Unable to verify

3D Authenticated

This status explains the result of the authentication process.

Raw Response Description
Y Authenticated
U Issuer is unable to respond
A Authenticated, enrolled while shopping (First usage of the card in combination with 3D Secure authentication)
N Authentication failed
N/A Unable to verify