CTC Guarantee Balance API
| Available in Sandbox | Yes |
|---|---|
| Sandbox base URL | https://test-api.service.hmrc.gov.uk |
| Available in Production | Yes |
| Production base URL | https://api.service.hmrc.gov.uk |
Overview
Use the CTC Guarantee Balance API to provide traders with up-to-date information about how much of their guarantee funds they have left to use when organising transit movements.
The API endpoints relate only to Great Britain and Northern Ireland.
You can also use the HMRC sandbox environment to run tests for Great Britain and Northern Ireland transit movements.
Version 1.0 of the API supports only NCTS phase 4. Version 2.0 of the API supports only NCTS phase 5.
For a detailed overview of v1.0 of the API, see CTC Guarantee Balance API phase 4 service guide. For a detailed overview of v2.0 of the API, see CTC Guarantee Balance API phase 5 service guide.
Changelog
You can find the changelog for v2.0 of the API in the common-transit-convention-guarantee-balance GitHub wiki.
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.