This version is in beta - expect some breaking changes.
National Insurance Test Support API
Available in Sandbox | Yes |
---|---|
Sandbox base URL | https://test-api.service.hmrc.gov.uk |
Available in Production | No |
Overview
Lets you set up test data for the National Insurance API.
Errors
Testing
Versioning
Endpoints
View API endpointsWhy do these endpoints look different?
The endpoints for this API now use the Open API Specification (OAS).
The API has not changed. You do not need to make any updates to your application if you already use this API.