banking.foundation / Standards / FAPI (Financial-grade API)
Standard · Authentication · OpenID Foundation
FAPI (Financial-grade API)
Security profile of OAuth 2.0 and OpenID Connect that hardens authorization and token flows for high-value API access. Developed by the OpenID Foundation's FAPI working group and adopted by open banking ecosystems including the UK, Brazil and Australia.
- Category
- Authentication
- Steward organization
- OpenID Foundation
- Scope
- High-security OAuth 2.0 / OpenID Connect profile for financial APIs
- Status
- Active
- Machine-readable
- Primarily documentation for humans
- Official source
- openid.net
Related — Authentication
This standard belongs to OpenID Foundation. Banking Foundation documents it for reference with attribution and links to the official source — always rely on the steward's current text.
Approximate reference data from public sources · seed-0.1 · 2026-08-28 · not real-time, not advice. See data & methodology.
# this page as data
GET https://banking.foundation/api/v1/standards/fapi