Welcome to the
YBS Dev Portal

We’re proud to partner with End Youth Homelessness, a national movement of
local charities working together to end youth homelessness in the UK.

Get started.Browse APIs
 

Getting started

 

Our on-boarding guide will help you with the first steps of using our APIs and is a great place to get started.

 

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API Documentation

 

Explore our API reference documentation and download sample Postman files 

 

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Get in touch

 

If you have a question about using our APIs then stop by our FAQs or contact our team.

 

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About this portal

Getting started

Build with confidence with the Yorkshire Building Society Open Banking APIs.

Securely integrate YBS and Chelsea payment accounts into your products and services using industry standard APIs.  Our documentation has everything you need to get started on your journey including Postman files with example responses for rapid development.

Keep an eye on our notifications page for updates on availability and new features.

If you are a member looking to access your YBS or Chelsea account please visit our customer sites: ybs.co.uk and thechelsea.co.uk

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Featured API

Dynamic Client Registration API v3.1

Swagger Specification for Dynamic Client Registration API. Please refer postman collection for sample request and response.

Api Documentation

Account Information API v3.1.2

Swagger Specification for Account Information API. Please refer postman collection for sample request and response.

Api Documentation

Payment Initiation API v3.1.2

Swagger Specification for Payment Initiation API. Please refer postman collection for sample request and response.

Api Documentation

About us

Yorkshire Building Society is a member of the Building Societies Association and is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Yorkshire Building Society is entered in the Financial Services Register and its registration number is 106085. Head Office: Yorkshire House, Yorkshire Drive, Bradford BD5 8LJ.

References to 'YBS Group' or 'Yorkshire Group' refer to Yorkshire Building Society, the trading names under which it operates (Chelsea Building Society, the Chelsea, Norwich & Peterborough Building Society, N&P and Egg) and its subsidiary companies.