CircleCI API · Endpoint removal
POST /api/v1/project/:username/:repo/build is deprecated
Stops working (in 101 days)
On February 1, 2027, the POST /api/v1/project/:username/:repo/build endpoint will be removed. Calls made to this endpoint will fail after this date.
What to use instead of these calls
To trigger a pipeline, use POST /api/v3/runs (API v3) or POST /api/v2/project/:provider/:organization/:project/pipeline/run (API v2).
Calls it hits
POST /api/v1/project/:username/:repo/build
POST /api/v1/project/:username/:repo/build
Facts
- API
- CircleCI API
circleci.com - Kind
- Endpoint removal
- Announced
- October 7, 2026
- Takes effect
- February 1, 2027
- Calls after that day
- Fail
- Source
- Changelog
- Last updated
More from CircleCI API
- POST /api/v1.1/project/:vcs-type/:username/:repo/ is deprecated Stops working
- POST /api/v1.1/project/:vcs-type/:username/:repo/:build_num/retry is deprecated Stops working
- POST /api/v1.1/project/:vcs-type/:username/:repo/:build_num/ssh is deprecated Stops working
- POST /api/v1.1/project/:vcs-type/:username/:repo/build is deprecated Stops working
- POST /api/v1.1/project/:vcs-type/:username/:repo/tree/:branch is deprecated Stops working
- POST /api/v1/project/:username/:repo/ is deprecated Stops working