post
https://api.bamboopayment.com/v3/api/Authentication/Initialize
Start a 3DS authentication session and obtain the identifiers needed for the Tokenization Form and purchase request.
Initialize a 3D Secure (3DS) authentication session before loading the Tokenization Form.
This endpoint returns the identifiers required to bind the 3DS session to the form and complete authentication.
For full implementation details, required parameters, and the complete flow, refer to the 3DS Tokenization Form Guide.