- Combining the Authentication and the Authorization Services
- Implementing SDK Payer Authentication
- Testing Payer Authentication
- Payer Authentication Use Cases
On This Page
Simple Order API
Step 4: Step-Up IFrame
Initiate step-up authentication on the front end after you receive the response as
discussed in Step 3: Payer Authentication Check Enrollment Service. Note that frictionless
authentication does not require this Step-Up iframe step. This step is only for step-up
authentication.
The iframe manages customer interaction with the card-issuing bank’s access control server
Access Control Server
and 3-D Secure version compatibility for 3-D Secure 1.0 and 3-D Secure 2.x.