Vanquis Bank Payment Initiation API (PIS)
Vanquis Bank's OBIE Read/Write Payment Initiation API (PISP), conformant to the Open Banking Implementation Entity Read/Write API Standard v3.1.10. Enables authorised Payment Initiation Service Providers to initiate payments from a customer account with consent, secured under the PSD2 / FAPI profile (OAuth2/OIDC, mutual-TLS, SCA). The production host is provisioned per TPP during Open Banking Directory onboarding and is not publicly published; the harvested OpenAPI is the shared OBIE standard contract, not a Vanquis proprietary document.
Vanquis Bank Payment Initiation API (PIS) is one of 4 APIs that Vanquis Banking Group publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Payment Initiation, PISP, and Open Banking. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 41 operations across 40 paths, organized into 8 resource areas, and defines 64 schemas. It is described by OpenAPI 3.0.0, at version 3.1.10.
Requests are made against a single base URL, /open-banking/v3.1/pisp.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Vanquis Bank Payment Initiation API (PIS) 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 41
Across 40 paths, the API surfaces 41 operations — 26 GET, 15 POST. They span 8 resource areas: Domestic Payments, Payment Details, Domestic Scheduled Payments, Domestic Standing Orders, File Payments, International Payments, International Scheduled Payments, International Standing Orders. Each is listed below with its method, path, parameters, and response codes.
Schemas 64
The contract defines 64 schemas that model the data the API accepts and returns. The most detailed are OBPostalAddress6 (10 properties), OBRisk1 (8 properties), Links (5 properties), OBCashAccountDebtor4 (4 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 Vanquis Banking Group 3
Other APIs Vanquis Banking Group publishes across the network.
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