Deprecation of v1 and v1.1 Trigger and Rerun APIs, February 1, 2027
CircleCI is retiring 10 legacy v1 and v1.1 API endpoints used to trigger and rerun builds. They will be removed on February 1, 2027. This extends the date previously communicated by email (November 1, 2026). After that date, requests to these endpoints return HTTP 410 Gone.