Check Enrollment Response

Enrolled Cards—You receive

reason code 475

if the customer’s card is enrolled in a payer authentication program. When you receive this response, you can proceed to "Step 2: Authenticating Enrolled Cards."

Cards Not Enrolled—You receive

reason code 100

if the account number is not enrolled in RuPay’s payer authentication program. The other services in your request are declined. When you receive this reply, you cannot proceed to validate authentication or to card authorization.