TSB Account and Transaction Information API (AIS)
TSB's OBIE Read/Write Account and Transaction Information (AIS) API, providing authorised third-party providers read access to account, balance, transaction, beneficiary, standing order, direct debit, and statement data. FAPI-secured with OAuth2/OIDC, mutual-TLS, and PSD2 strong customer authentication; access requires developer-portal onboarding with OBIE/eIDAS certificates.