Algbra Payment Initiation API (PIS)
Algbra's UK Open Banking Payment Initiation (PIS) dedicated interface under the OBIE Read/Write Standard v3.1.8, allowing authorised PISP Third Party Providers to initiate payments on a customer's behalf (scope 'payments'). Documented as part of Algbra's OBIE-conformant interface; secured with FAPI OAuth2/OIDC, mTLS and PSD2 SCA. No first-party OpenAPI is published separately from the OBIE standard specification.