Santander UK Confirmation of Funds API
OBIE Read/Write Confirmation of Funds (CBPII) API allowing an authorised card-based payment instrument issuer to confirm the availability of funds on a customer account. FAPI-secured (OAuth2/OIDC, mTLS, PSD2 SCA); onboarding via the Santander Developers portal with OBIE/eIDAS certificates.
Documentation
Documentation
https://developer.santander.co.uk/sanuk/external/product
APIReference
https://developer.santander.co.uk/sanuk/external/