Chase UK Confirmation of Funds API (CBPII)
Chase UK's Confirmation of Funds (CBPII) dedicated interface, conformant to the OBIE Read/Write API Standard, allowing an FCA-authorised card-based payment instrument issuer to check whether a specified amount is available on a consenting customer's account. Access is gated behind developer onboarding and secured with FAPI OAuth2/OIDC, PSD2 SCA, and mutual-TLS. The referenced OpenAPI is the shared OBIE standard specification (v4.0.1), not a Chase-proprietary contract.
Chase UK Confirmation of Funds API (CBPII) is one of 3 APIs that Chase UK publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Confirmation of Funds, CBPII, and Open Banking. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.
This API exposes 4 operations across 3 paths, organized into 2 resource areas, and defines 15 schemas. It is described by OpenAPI 3.0.0, at version 4.0.1.
Requests are made against a single base URL, /open-banking/v4.0/cbpii.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Chase UK Confirmation of Funds API (CBPII) declares
2 security schemes
for authenticating requests.
It supports OAuth 2.0 (TPPOAuth2Security) using the clientCredentials flow, exposing 1 scope.
It supports OAuth 2.0 (PSUOAuth2Security) using the authorizationCode flow, exposing 1 scope.
TPPOAuth2Security— TPP client credential authorisation flow with the ASPSPPSUOAuth2Security— OAuth flow, it is required when the PSU needs to perform SCA with the ASPSP when a TPP wants to access an ASPSP resource owned by the PSU
Paths & Operations 4
Across 3 paths, the API surfaces 4 operations — 1 DELETE, 1 GET, 2 POST. They span 2 resource areas: Funds Confirmation Consents, Funds Confirmations. Each is listed below with its method, path, parameters, and response codes.
Schemas 15
The contract defines 15 schemas that model the data the API accepts and returns. The most detailed are Links (5 properties), OBErrorResponse1 (4 properties), OBError1 (4 properties), OBFundsConfirmationResponse1 (3 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Chase UK 2
Other APIs Chase UK publishes across the network.