In Out-of-Band (OOB) authentication, a webhook notification is sent to the issuer-provided channel for cardholder’s approval.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Unique identifier of the cardholder
Unique identification number of the ensuing authentication request, returned in the callback request after the authentication request is complete.
Extra information in order to give information about why authentication is initiated
Successful initiation of authentication