The purpose of this article is to help licensed customers to implement a flicker code animation in their applications.
Some banks offer their users a second-factor authentication with the optical chipTAN procedure (flicker code).
If you are not using the finAPI Web Form in your application, you will have to display a flicker code animation that you can show to your users. This is applicable to all flows where user authentication is required (e.g. import of a bank connection, or payment initiation).
the BASE-64 String that you receive from finAPI in the
opticalDatafield, which contains the flicker code data.
a boolean flag that the script requires to determine how to process the data. This flag is provided by finAPI in the
You can download the script here: