# GB Bank Payment Initiation API (PIS)

**Canonical:** https://apis.io/apis/gb-bank/gb-bank-payment-initiation-api/  
**Provider:** GB Bank — https://apis.io/providers/gb-bank/  
**Documentation:** https://github.com/OpenBankingUK/read-write-api-specs

GB Bank Payment Initiation API (PIS) is one of 4 APIs that [GB Bank](https://apis.io/providers/gb-bank/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Payment Initiation, Payments, PISP, and FAPI. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

UK Open Banking Read/Write Payment Initiation API (PISP) - the OBIE standard for initiating domestic, scheduled, standing-order, international and file payments with customer consent. FAPI-secured (OAuth2/OIDC, mTLS, PSD2 SCA). Represented here as the shared OBIE Read/Write Standard; UNVERIFIED for GB Bank - no GB Bank developer portal or base URL was confirmed (no fabricated host).

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/gb-bank/refs/heads/main/openapi/uk-open-banking-payment-initiation-api-openapi.yaml
- **Documentation** — https://standards.openbanking.org.uk/
- **APIReference** — https://github.com/OpenBankingUK/read-write-api-specs

## Other GB Bank APIs (3)

- [GB Bank Account and Transaction Information API (AIS)](https://apis.io/apis/gb-bank/gb-bank-account-transaction-information-api/)
- [GB Bank Confirmation of Funds API (CBPII)](https://apis.io/apis/gb-bank/gb-bank-confirmation-of-funds-api/)
- [GB Bank Open Data API](https://apis.io/apis/gb-bank/uk-open-banking-open-data-api-openapi/)

## Tags

Payment Initiation, Payments, PISP, FAPI

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/gb-bank/gb-bank-payment-initiation-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/gb-bank/.