- Combining the Authentication and the Authorization Services
- Implementing SDK Payer Authentication
- Testing Payer Authentication
- Payer Authentication Use Cases
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Simple Order API
Receiving the Step-Up Results
After the customer interacts with the issuing bank, the user is returned to the within the iframe as specified
in Step 3: Payer Authentication Check Enrollment Service. The payload sent to the returnURL
is URL-encoded and Base64-encoded (see the example below). The merchant hosting the
returnURL can then close the iframe after redirection.
payerAuthEnrollService_returnURL
The response sent back to the return URL contains this:
- Transaction ID: (response field). This is used in Step 5: Payer Authentication Validation Service.payerAuthEnrollReply_authenticationTransactionID
- MD: merchant data returned if present in the POST to step-up URL; otherwise, null.
POST to Return URL
TransactionId=BwNsDeDPsQV4q8uy1Kq1&MD=null