# Santander UK Account & Transaction Information API

**Canonical:** https://apis.io/apis/santander-uk/santander-uk-account-information-api/  
**Provider:** Santander UK — https://apis.io/providers/santander-uk/  
**Base URL:** https://openbanking.santander.co.uk/open-banking/v3.1/aisp  
**Documentation:** https://developer.santander.co.uk/sanuk/external/product

Santander UK Account & Transaction Information API is one of 4 APIs that [Santander UK](https://apis.io/providers/santander-uk/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Account Information, AIS, and Read/Write. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

OBIE Read/Write Account and Transaction Information (AIS) API for accessing account, balance, transaction, and party data with customer consent. FAPI-secured (OAuth2/OIDC, mTLS, PSD2 SCA); onboarding via the Santander Developers portal with OBIE/eIDAS certificates.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/santander-uk/refs/heads/main/openapi/obie-account-info-openapi.yaml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/santander-uk/refs/heads/main/overlays/santander-uk-account-info-overlay.yaml
- **Documentation** — https://developer.santander.co.uk/sanuk/external/product
- **APIReference** — https://developer.santander.co.uk/sanuk/external/

## Other Santander UK APIs (3)

- [Santander UK Open Data API](https://apis.io/apis/santander-uk/santander-uk-open-data-api/)
- [Santander UK Payment Initiation API](https://apis.io/apis/santander-uk/santander-uk-payment-initiation-api/)
- [Santander UK Confirmation of Funds API](https://apis.io/apis/santander-uk/santander-uk-confirmation-of-funds-api/)

## Tags

Account Information, AIS, Read/Write

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