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Mature
Nationwide Building Society
🇬🇧 United Kingdom
Overview
- Standard
- UK Open Banking
- API style
- REST
- Authentication
- OAuth 2.0 · SCA: redirect
- Sandbox
- Available (self-service)
- Last reviewed
- 15 Jun 2026 · this month
Products
AISPISCBPIIPremium
Premium APIs
Variable Recurring Payments (VRP)Open Data (branch / product locators)
Maturity signals
- Account info (AIS)
- Payment initiation (PIS)
- Confirmation of funds (CBPII)
- Premium / beyond-PSD2 APIs
Links
- Website
- www.nationwide.co.uk
- Developer portal
- developer.nationwide.co.uk
- Documentation
- developer.nationwide.co.uk
Notes
The UK's largest building society implements the UK Open Banking standard — AIS, PIS and Confirmation of Funds at v4.0 — with a self-service sandbox, plus Variable Recurring Payments and Open Data APIs.