v1 is the current version of the API.
You can access
v1 of the API using these base URLs:
API release cycle
next is a preview of the upcoming API before that API becomes stable. You should not use it in production, since the API may change without notice.
The release schedule is:
- The GOV.UK Registers team releases the
nextAPI. You can use the
nextversion of the API to test against backwards-incompatible changes before
nextbecomes the stable API.
- When the
nextAPI is stable, it will be renamed to the next version (eg
- After a set amount of time, the previous version of the API is deprecated.