CircleCI outage history and postmortems
Developer tools · San Francisco, US · 24 incidents in 90 days · 99.94% implied uptime · last 6d ago
History
About CircleCI
CircleCI is a continuous integration (CI) and continuous delivery (CD) platform that can be used to implement DevOps practices. The company was founded in September 2011 and has raised $315 million in venture capital funding as of 2021, at a valuation of $1.7 billion.
The last year, day by day
Downtime, added up
CircleCI: 1h 16m weighted downtime in range, category median 1h 46m.
24 incidents, 3 major or critical, 2d 3h of incident time (24h 55m major or critical, 26h 6m partial), longest 14h 36m, implied uptime 99.94%, between Aug 12, 2026 and Nov 9, 2026.
Stated causes
87 incidents with no cause stated.
Across Glyph:Company profilePaydaysChangefeedUptime
Questions
Is CircleCI down right now?
Check CircleCI's own status page at https://status.circleci.com for the live state. This page shows CircleCI's incident history from that page; the most recent incident started 2026-11-03: "Increased wait time for Machine and Remote Docker jobs".
How often does CircleCI have outages?
CircleCI posted 25 incidents in the last 90 days and 96 in the last year, 3 of them major or critical in the last 90 days. The median incident lasted 1h 11m.
When was CircleCI's last major outage?
2026-10-09: "Delay in data appearing in UI and API", lasting 14h 36m.
What usually causes CircleCI incidents?
Where CircleCI explained the cause, the most common was capacity and load (6 incidents). Most status updates do not name a cause.