CircleCI API · Endpoint removal
POST /api/v1/project/:username/:repo/tree/:branch is deprecated
Stops working (in 101 days)
On February 1, 2027, the endpoint POST /api/v1/project/:username/:repo/tree/:branch will be removed. Requests made to this endpoint will fail after that date. Any integration or workflow relying on this call must update to a supported pipeline trigger endpoint.
What to use instead of these calls
To trigger a pipeline, switch to POST /api/v3/runs in API v3 or POST /api/v2/project/:provider/:organization/:project/pipeline/run in API v2.
Calls it hits
POST /api/v1/project/:username/:repo/tree/:branch
POST /api/v1/project/:username/:repo/tree/:branch
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
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