CircleCI

All Systems Operational

Uptime over the past 90 days. View historical uptime.
Docker Jobs Operational
90 days ago
100.0 % uptime
Today
Machine Jobs Operational
90 days ago
100.0 % uptime
Today
macOS Jobs Operational
90 days ago
99.58 % uptime
Today
Windows Jobs Operational
90 days ago
100.0 % uptime
Today
Pipelines & Workflows Operational
90 days ago
99.99 % uptime
Today
CircleCI API Operational
90 days ago
99.89 % uptime
Today
CircleCI UI Operational
90 days ago
99.99 % uptime
Today
Artifacts Operational
90 days ago
100.0 % uptime
Today
Runner Operational
90 days ago
100.0 % uptime
Today
CircleCI Webhooks Operational
90 days ago
100.0 % uptime
Today
CircleCI Insights Operational
90 days ago
100.0 % uptime
Today
CircleCI Releases Operational
90 days ago
100.0 % uptime
Today
Notifications & Status Updates Operational
Billing & Account Operational
CircleCI Dependencies Operational
90 days ago
100.0 % uptime
Today
AWS Operational
Google Cloud Platform Google Cloud DNS Operational
Google Cloud Platform Google Cloud Networking Operational
Google Cloud Platform Google Cloud Storage Operational
Google Cloud Platform Google Compute Engine Operational
mailgun API Operational
mailgun Outbound Delivery Operational
mailgun SMTP Operational
OpenAI Operational
90 days ago
100.0 % uptime
Today
Auth0 User Authentication Operational
Upstream Services Operational
Atlassian Bitbucket API Operational
Atlassian Bitbucket Source downloads Operational
Atlassian Bitbucket SSH Operational
Atlassian Bitbucket Webhooks Operational
Docker Hub Operational
GitHub Git Operations Operational
GitHub Pull Requests Operational
GitHub API Requests Operational
GitHub Packages Operational
GitHub Webhooks Operational
GitLab Operational
Docker Registry Operational
Docker Authentication Operational
Anthropic api.anthropic.com Operational
packagecloud.io Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Jun 10, 2026
Incident with GitHub APIs
Resolved - This incident has been resolved.
Jun 10, 16:41 UTC
Monitoring - We are seeing signs of recovery from the GitHub API.
Jun 10, 16:32 UTC
Update - We are continuing to investigate this issue.
Jun 10, 16:30 UTC
Investigating - Some users may have seen delays or missing commit statuses on GitHub PRs due to an ongoing GitHub API incident.

We are continuing to process builds as normal.

We will provide further updates as we get more information
Jun 10, 16:30 UTC
Jun 9, 2026
Increased 500 Errors on Pipeline and Workflow API Endpoints and UI
Resolved - Between 13:29 UTC and 18:20 UTC on June 9, 2026, some customers experienced 500 errors when making requests to the pipeline values and workflow API endpoints, as well as errors in the UI. Jobs running were not impacted during this window. The issue has been resolved and all affected functionality has returned to normal. We thank you for your patience while our team worked on implementing a fix.
Jun 9, 18:43 UTC
Monitoring - A fix has been deployed for the 500 errors customers were experiencing on the pipeline values and workflow API endpoints and in the UI. Engineers are monitoring the change. Jobs running are not impacted
Jun 9, 18:32 UTC
Update - Our engineers are continuing to investigate the 500 errors customers are experiencing on the pipeline values and workflow API endpoints, as well as errors in the UI. Jobs currently running are not impacted.
Jun 9, 18:20 UTC
Investigating - Some customers are experiencing 500 errors when making requests to the pipeline values and workflow API endpoints, as well as errors in the UI.

Engineers are actively investigating.
Jun 9, 17:45 UTC
Jun 8, 2026

No incidents reported.

Jun 7, 2026
macOS jobs failing to start
Resolved - This issue has been resolved and macOS jobs across all resource classes are starting normally again. Customers whose jobs failed to start during this window may rerun them. We thank you for your patience while our team worked on implementing a fix.
Jun 7, 04:44 UTC
Identified - We have identified an issue causing macOS jobs to fail to start and are working to restore service. This impacts customers running macOS jobs across all resource classes.

Thank you for your patience while our engineers work to resolve this. We will provide another update within 30 minutes.
Jun 7, 04:20 UTC
Jun 6, 2026

No incidents reported.

Jun 5, 2026

No incidents reported.

Jun 4, 2026
Machine Cloud Maintenance
Completed - The scheduled maintenance has been completed.
Jun 4, 01:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 4, 00:30 UTC
Scheduled - Machine Job Infrastructure will be undergoing scheduled maintenance on Thursday, June 4th from 12:30 AM to 1:00 AM UTC. While we do not anticipate disruption, customers utilizing Linux Machine or Remote Docker executors could experience job queuing during this time.
Jun 1, 15:37 UTC
Jun 3, 2026

No incidents reported.

Jun 2, 2026
Errors on Cloud Docker Pulls
Resolved - This incident has been resolved.
Jun 2, 13:11 UTC
Monitoring - We identified the issue and have deployed a fix and are now monitoring.
Jun 2, 13:06 UTC
Investigating - We are noticing an increase in errors when pulling Docker images. We are investigating.
Jun 2, 12:52 UTC
Jun 1, 2026
Machine Cloud Maintenance
Completed - The scheduled maintenance has been completed.
Jun 1, 15:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 1, 14:00 UTC
Scheduled - Machine Job Infrastructure will be undergoing scheduled maintenance on Monday, June 1st from 2:00 PM to 3:00 PM UTC. While we do not anticipate disruption, customers utilizing Linux Machine or Remote Docker executors could experience job queuing during this time.
May 28, 20:05 UTC
Mac jobs failing to start
Resolved - All Mac jobs are running successfully.

Our infrastructure provider has confirmed that the DDoS attack has been mitigated and that services have been restored.

Thank you for your patience during this incident.
Jun 1, 03:26 UTC
Update - Mac jobs are running successfully, and we are continuing to monitor the performance of our Mac fleet.

Thank you for your patience.
Jun 1, 02:05 UTC
Monitoring - We are seeing Mac jobs starting successfully and improved network connectivity to the Mac fleet, however our infrastructure provider is continuing to experience a DDoS attack.

We will continue to monitor the recovery while bringing additional capacity to our platform.
Jun 1, 01:36 UTC
Update - We are continuing to investigate this issue.
Jun 1, 01:05 UTC
Investigating - Mac jobs are continuing to experience failures. Our infrastructure provider is continuing to report that they are experiencing a DDoS attack causing high network latency and packet loss for our Mac fleet. We are working to bring up additional capacity to restore service.
Jun 1, 01:04 UTC
Mac jobs failing to start
Resolved - Mac jobs have now fully recovered.

Thank you for your patience during this incident.
Jun 1, 00:45 UTC
Update - We have processed the backlog of Mac jobs and job start times are recovering to normal parameters.
Jun 1, 00:42 UTC
Monitoring - We are seeing Mac jobs starting successfully and improved network connectivity to the Mac fleet. We will continue to monitor the recovery.
Jun 1, 00:24 UTC
Update - Mac jobs are continuing to experience failures. Our infrastructure provider is reporting they are experiencing a DDoS attack causing high network latency and packet loss for our Mac fleet. We are working to bring up additional capacity to restore service.

We will continue to update as more information is available.
May 31, 22:38 UTC
Update - We are continuing to investigate failures with Mac jobs starting due to high network latency and packet loss. Our engineers remain engaged with our infrastructure provider to restore service.

We will provide another update within the hour, or sooner if circumstances change. We thank you for your patience while our engineers work to resolve this.
May 31, 21:24 UTC
Update - We are still seeing failures with Mac jobs starting due to high network latency and packet loss. We will continue to update as we have more information on a resolution.
May 31, 20:05 UTC
Update - We are continuing to work on resolving the networking issue for Mac jobs.
May 31, 19:09 UTC
Identified - We have identified a network outage that is preventing Mac jobs from starting. This include m4pro.medium and m4pro.large resource types.

We are working with our infrastructure provider to restore service.

We will update this incident as we work to resolve the issue.
May 31, 18:15 UTC
May 31, 2026
May 30, 2026

No incidents reported.

May 29, 2026
Usage API data delayed for 5/28
Resolved - The Usage API incident has been resolved.
May 29, 18:10 UTC
Update - We've identified a small number of duplicate records in the Usage API data. Data is available, but may be inaccurate. We continue to investigate.
May 29, 14:57 UTC
Investigating - We are currently investigating this issue.
May 29, 14:51 UTC
May 28, 2026

No incidents reported.

May 27, 2026

No incidents reported.

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