7-Day Uptime History
About CircleCI
CircleCI is a website that Uptrue monitors for uptime and performance. We check circleci.com every 5 minutes from multiple locations to detect downtime, slow responses, and SSL issues.
Common Reasons CircleCI Goes Down
Even the most reliable services experience downtime. Here are the most common reasons CircleCI may be unavailable:
- Git server overload during high-commit periods
- CI/CD pipeline infrastructure failures blocking builds
- Package registry database corruption or replication lag
- DDoS attacks targeting developer-facing APIs
- Storage system failures affecting repository access
- Authentication service disruptions blocking code pushes
What to Do When CircleCI Is Down
This page shows real monitoring data. If CircleCI appears operational here but is not working for you, the issue may be local to your network, browser, or ISP.
Clear your browser cache, try a different browser, switch between Wi-Fi and mobile data, or use a VPN to bypass potential regional blocks.
Use the subscribe form above to get an email the moment CircleCI comes back online. No need to keep refreshing this page.
How CircleCI Downtime Affects You
When CircleCI goes offline, the effects ripple across businesses and users who depend on it:
- Engineering teams cannot push, pull, or review code changes.
- CI/CD pipelines fail, blocking automated testing and deployment.
- Open-source community contributions and collaboration are paused.
- Dependency installation fails, preventing new project setups and builds.
Get Notified
Enter your email to receive alerts when CircleCI goes down or recovers.
Frequently Asked Questions
Is CircleCI down right now?
Based on our monitoring, CircleCI is currently UP. Last checked 52 minutes ago. This page updates every 5 minutes with real monitoring data from Uptrue's infrastructure.
How often does CircleCI go down?
In the last 30 days, CircleCI has experienced 0 incidents with an overall uptime of 100%. Most major services aim for 99.9% uptime or higher. You can subscribe to alerts above to be notified of future outages.
What is CircleCI's average response time?
CircleCI's average response time over the last 30 days is 100ms. Response times can vary by region and time of day.
How can I check if CircleCI is down?
You can check CircleCI's live status on this page, which is updated every 5 minutes with real monitoring data. You can also subscribe for email alerts to get notified when the status changes.
What should I do when CircleCI is down?
Try clearing your browser cache, switching from Wi-Fi to mobile data, or using a VPN to rule out local issues. If the problem is on their end, subscribe to our alerts above to know the moment it comes back online.
Why is my CircleCI slow today?
Slowness on CircleCI can be caused by server-side performance issues, heavy traffic, your internet connection, browser extensions, or regional CDN problems. If CircleCI shows degraded performance on this page, the issue is likely on their end. Try a different browser or device to rule out local causes.
Does CircleCI downtime affect my SEO?
If your website depends on CircleCI for critical functionality (such as hosting, CDN, or embedded content), downtime can indirectly affect your SEO. Search engines may penalise your site if it is unreachable due to a third-party dependency being offline.
Can I get notified when CircleCI goes down?
Yes. Use the subscribe form above to enter your email address. Uptrue will send you an alert the moment CircleCI goes down and again when it recovers. It is completely free and you can unsubscribe at any time.
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This page shows automated checks from Uptrue's monitoring infrastructure. Status may not reflect your local experience. Results are provided for informational purposes only. Uptrue is not affiliated with CircleCI.