CircleCI Outage History
Uptime record, past incidents, and downtime history for CircleCI.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| May 2026 | 36% | 25 | 16 |
| April 2026 | 30% | 30 | 21 |
| March 2026 | 25.8% | 31 | 23 |
| February 2026 | 0% | 5 | 5 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Feb 24
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
May 2026
Elevated 429 errors pulling from maven central
Started: May 14, 4:49 PM
monitoring
We're monitoring to verify that rate limited jobs are recovering.
May 14, 6:08 PM
investigating
Jobs pulling dependencies from maven central are experiencing increased 429 errors due to maven central rate limits.
We are investigating the issue and working to identify mitigations for customer jobs.
May 14, 4:49 PM
Some Pipelines are being lost
Started: May 6, 7:42 PM
monitoring
The rollback was successful. Pipelines are flowing normally again. Monitoring for a bit.
May 6, 8:03 PM
investigating
We are continuing to investigate this issue.
May 6, 7:43 PM
investigating
We are having an issue with some pipelines being lost. We are rolling back the affected service, and will share more information when we have it.
May 6, 7:42 PM
GitHub incident with Pull Requests
Started: May 6, 5:54 PM
monitoring
We are continuing to monitor for any further issues.
May 6, 5:54 PM
monitoring
GitHub is reporting a major incident for degraded pull request availability. This does not impact running CircleCI builds for newly created pull requests or push events.
May 6, 5:54 PM
Jobs using Xcode 14.3.1 on m4pro.large are delayed.
Started: May 1, 10:51 AM
monitoring
A fix has been implemented and we are monitoring the results.
May 1, 11:02 AM
identified
The issue has been identified and a fix is being implemented.
May 1, 10:58 AM
investigating
We are investigating the cause.
May 1, 10:51 AM
Usage API data is delayed for data from yesterday, 4/30. All prior data is available. We are investigating.
Started: May 1, 10:04 AM
investigating
We are currently investigating
May 1, 10:04 AM
April 2026
Build failures Xcode 26.4.0
Started: Apr 24, 5:25 PM
monitoring
A fix has been implemented and we are monitoring the results.
Apr 24, 6:01 PM
identified
There are build failures for Xcode 26.4.0; we have identified the issue and are currently implementing a fix.
Apr 24, 5:25 PM
Usage API data delayed this morning
Started: Apr 18, 12:07 PM
identified
The Usage API issue has been identified and a fix is being implemented. We expect to the issue be resolved within a few hours.
Apr 18, 1:17 PM
investigating
Usage API data is delayed this morning. Team is investigating.
Apr 18, 12:07 PM
Delays in Workflow and Job data in the Usage API
Started: Apr 8, 1:20 PM
identified
We have identified an issue causing Insights workflow and job data to be delayed when requested through the Usage API. Some data for the last 24 hours may not be fully reflected while we work to process the backlog of events. Insights UI is not impacted by this issue. Thank you for your patience.
Apr 8, 1:20 PM
Degradation in CircleCI UI elements
Started: Apr 6, 8:33 PM
monitoring
A fix has been implemented and we are monitoring the results. Thank you for your patience.
Apr 6, 8:43 PM
investigating
We are currently investigating an issue in the CircleCI UI impacting approval jobs and SSH key navigation. This is an interface-only issue and builds continue to flow as usual.
Apr 6, 8:33 PM
Usage API data for 4/1 is incomplete with multiple columns showing null values. Data prior to 4/1 is unaffected. We are investigating.
Started: Apr 2, 7:19 PM
identified
The Usage API issue has been identified and the fix is being implemented.
Apr 2, 9:23 PM
investigating
We are currently investigating this issue.
Apr 2, 7:19 PM
Some pipelines not triggering due to GitHub API failures
Started: Apr 1, 11:55 AM
identified
We are continuing to see very high error rates from GitHub's `GET /repos/{owner}/{repo}/commits` API.
Apr 1, 11:58 AM
investigating
Some pipelines may not trigger due to a high rate of API failures on one of GitHub's API endpoints. This includes some manually-triggered pipelines, some OAuth hooks and some scheduled pipelines.
Apr 1, 11:55 AM
March 2026
Insights API and Dashboard displaying stale data for reporting windows greater than 24 hours
Started: Mar 16, 3:02 AM
investigating
We are investigating an issue where the Insights API and dashboard are returning outdated metrics for reporting windows longer than 24 hours (last 7 days, last 30 days, last 60 days, last 90 days). The last-24-hours window is unaffected and returning current data.
This issue is limited to the display of aggregated metrics on Insights Page only. All pipeline pages, job runs, and builds remain fully operational and are not impacted. We will provide updates as our investigation progresses.
Mar 16, 3:02 AM