Investec Payment Initiation API (PIS)
UK Open Banking Payment Initiation Service (PISP) interface for initiating domestic and other payments. Investec Bank plc conforms to the OBIE Read/Write API Standard (v3.1); the harvested OpenAPI is the shared OBIE standard specification, not an Investec-proprietary contract, and is FAPI-secured (OAuth2/OIDC + mTLS + PSD2 SCA).