Coventry Building Society Account & Transaction Information API (AIS)
OBIE Read/Write Account and Transaction Information Services (AIS) API, CBS v2.0, providing consented third-party read access to account, balance, transaction, standing order, direct debit, beneficiary, and product data. FAPI-secured (OAuth2/OIDC, PSD2 SCA, mTLS); documented, authenticated, onboarding required. OpenAPI pointer is the shared OBIE Read/Write standard, not a Coventry proprietary contract.