# Secure Trust Bank Confirmation of Funds API (OBIE Read/Write, CBPII)

**Canonical:** https://apis.io/apis/secure-trust-bank/confirmation-of-funds-api/  
**Provider:** Secure Trust Bank — https://apis.io/providers/secure-trust-bank/  
**Documentation:** https://openbankinguk.github.io/read-write-api-site3/

Secure Trust Bank Confirmation of Funds API (OBIE Read/Write, CBPII) is one of 4 APIs that [Secure Trust Bank](https://apis.io/providers/secure-trust-bank/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Confirmation of Funds, CBPII, and FAPI. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The OBIE Read/Write Confirmation of Funds (CBPII) API - FAPI-secured yes/no confirmation that funds are available on an account, for card-based payment instrument issuers, under PSD2 strong customer authentication. Represented here as the shared OBIE standard, not a proprietary Secure Trust Bank contract.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/secure-trust-bank/refs/heads/main/openapi/obie-confirmation-of-funds-standard-openapi.yaml
- **Documentation** — https://openbankinguk.github.io/read-write-api-site3/
- **APIReference** — https://github.com/OpenBankingUK/read-write-api-specs
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/secure-trust-bank/refs/heads/main/overlays/secure-trust-bank-confirmation-of-funds-overlay.yaml

## Other Secure Trust Bank APIs (3)

- [Secure Trust Bank Open Data API (OBIE Standard)](https://apis.io/apis/secure-trust-bank/open-data-api/)
- [Secure Trust Bank Account & Transaction Information API (OBIE Read/Write, AIS)](https://apis.io/apis/secure-trust-bank/account-transaction-information-api/)
- [Secure Trust Bank Payment Initiation API (OBIE Read/Write, PIS)](https://apis.io/apis/secure-trust-bank/payment-initiation-api/)

## Tags

Confirmation of Funds, CBPII, FAPI

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