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Established
Groupe BPCE
🇫🇷 France
Overview
- API standard
- STET (France)
- API style
- REST
- Authentication
- OAuth 2.0 · SCA: redirect
- Sandbox
- Available (self-service)
- Last reviewed
- 22 Jun 2026 · this month
Products
AIS PIS CBPII Premium
Maturity signals
- Account info (AIS)
- Payment initiation (PIS)
- Confirmation of funds (CBPII)
- Premium / beyond-PSD2 APIs
Links
- Website
- groupebpce.com
- Developer portal
- developer.bpce.fr
- Documentation
- www.api.89c3.com
Notes
Groupe BPCE, France's second-largest banking group, serves its Banque Populaire and Caisse d'Epargne networks (and Natixis) from one PSD2 portal built to the French STET standard — account information, payment initiation and funds-availability checks — known as the 89C3 API platform.