Nationwide Building Society

Nationwide Account and Transaction Information API (AIS)

OBIE Read/Write Account and Transaction Information (AIS) API providing consented access to Nationwide account, balance, and transaction data for authorised third-party providers. FAPI-secured (OAuth2/OIDC, mutual-TLS, PSD2 SCA); requires developer-portal onboarding and OBIE/eIDAS certificates.

GitHub

Documentation

📖
Documentation
https://developer.nationwide.co.uk/open-banking/account-information-apis
📖
APIReference
https://developer.nationwide.co.uk/open-banking/account-information-apis
📖
Authentication
https://developer.nationwide.co.uk/open-banking

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/nationwide-building-society/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: nationwide-building-society:nationwide-account-information-api
name: Nationwide Account and Transaction Information API (AIS)
description: OBIE Read/Write Account and Transaction Information (AIS) API providing consented access
  to Nationwide account, balance, and transaction data for authorised third-party providers. FAPI-secured
  (OAuth2/OIDC, mutual-TLS, PSD2 SCA); requires developer-portal onboarding and OBIE/eIDAS certificates.
humanURL: https://developer.nationwide.co.uk/open-banking/account-information-apis
baseURL: https://api.nationwide.co.uk/open-banking/v3.1/aisp
tags:
- Account Information
- AIS
- Read/Write
properties:
- type: Documentation
  url: https://developer.nationwide.co.uk/open-banking/account-information-apis
- type: APIReference
  url: https://developer.nationwide.co.uk/open-banking/account-information-apis
- type: Authentication
  url: https://developer.nationwide.co.uk/open-banking