Paragon Bank Confirmation of Funds API (OBIE standard, unverified)
The OBIE Read/Write Confirmation of Funds (CBPII) API standard - FAPI-secured yes/no confirmation of available funds for a card-based payment instrument issuer. Captured here as the shared OBIE standard specification, not a Paragon-hosted contract; no Paragon CBPII endpoint was confirmed at profiling time.