TPPs have to authenticate towards the ASPSP/Bank PSD2 APIs using certificates and (in some cases) TPP credentials.
finAPI Access supports the following two authentication scenarios:
NCA (BaFin/FMA) licenced AISP/PISP can upload their certificates and credentials to finAPI Access and access PSD2 APIs using their own certificates and credentials
unlicenced clients that use the finAPI PSD2-Licence/Web Form can access PSD2 APIs using the finAPI certificates and credentials
For a detailed description on how you can access PSD2 APIs as a licenced TPP, please refer to the following pages:
For e detailed description on how you can access PSD2 APIs as an unlicenced finAPI client, please refer to the following page:
TPP Authentication using the finAPI PSD2-Licence