Release notes
We publish release notes whenever we make updates to the API such as new features, fixes, or improvements. This so lead providers know how the update might affect their use of the API.
27 November 2025 Defer, withdraw, and resume endpoints endpoints added to the Register ECTs API with updated validation rules
Swagger API documentation
These instructions and reference materials explain how to use our API, including its endpoints, data formats, and authentication.
Sandbox
The sandbox environment is where lead providers can test API integrations without affecting real data.
Guidance
Find out what data lead providers need to submit to DfE, how to keep it up to date, and when to report changes about early career teachers and their mentors.