Coventry Building Society Payment Initiation API (PIS)
OBIE Read/Write Payment Initiation Services (PIS) API, CBS v2.0, enabling consented third-party initiation of domestic single, scheduled, standing order, and file payments. 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.