Starling Payment Initiation API (PIS, OBIE Read/Write)
UK Open Banking Read/Write Payment Initiation (PIS) API for initiating domestic and other payments as an FCA-authorised ASPSP, conformant to the OBIE Read/Write standard and secured with FAPI OAuth2/OIDC, mutual-TLS, and PSD2 strong customer authentication. Base path shown is the OBIE standard shape and was not publicly confirmed for Starling.