All Sites/CodeSandbox

CodeSandbox

codesandbox.io

OperationalLast checked: 5m ago
Response Time146ms
7-Day Uptime100%
30-Day Uptime100%
Incidents (recent)2

7-Day Uptime History

7d agoNow

Recent Incidents

Timeout after 15000ms
30 Jun 2026, 22:57 — resolved after 26 min
Server error: 502
26 Jun 2026, 02:45 — resolved after 9 min

About CodeSandbox

CodeSandbox is a website that Uptrue monitors for uptime and performance. We check codesandbox.io every 5 minutes from multiple locations to detect downtime, slow responses, and SSL issues.

Common Reasons CodeSandbox Goes Down

Even the most reliable services experience downtime. Here are the most common reasons CodeSandbox 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

When CodeSandbox experiences issues, our monitoring detects it within minutes. Subscribe above to get notified instantly.

What to Do When CodeSandbox Is Down

1. Confirm it is not just you

This page shows real monitoring data. If CodeSandbox appears operational here but is not working for you, the issue may be local to your network, browser, or ISP.

2. Try basic troubleshooting

Clear your browser cache, try a different browser, switch between Wi-Fi and mobile data, or use a VPN to bypass potential regional blocks.

3. Subscribe for recovery alerts

Use the subscribe form above to get an email the moment CodeSandbox comes back online. No need to keep refreshing this page.

How CodeSandbox Downtime Affects You

When CodeSandbox 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.

Monitoring your own dependencies on services like CodeSandbox is essential. Check your website's health score to see how resilient your site is to third-party outages.

Get Notified

Enter your email to receive alerts when CodeSandbox goes down or recovers.

Got questions?

Frequently Asked Questions

Everything you need to know about Uptrue — no fluff.

Is CodeSandbox down right now?
Based on our monitoring, CodeSandbox is currently UP. Last checked 5 minutes ago. This page updates every 5 minutes with real monitoring data from Uptrue's infrastructure.
In the last 30 days, CodeSandbox has experienced 2 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.
CodeSandbox's average response time over the last 30 days is 168ms. Response times can vary by region and time of day.
You can check CodeSandbox'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.
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.
Slowness on CodeSandbox can be caused by server-side performance issues, heavy traffic, your internet connection, browser extensions, or regional CDN problems. If CodeSandbox shows degraded performance on this page, the issue is likely on their end. Try a different browser or device to rule out local causes.
If your website depends on CodeSandbox 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.
Yes. Use the subscribe form above to enter your email address. Uptrue will send you an alert the moment CodeSandbox goes down and again when it recovers. It is completely free and you can unsubscribe at any time.

Related Developer Tools Sites We Monitor

GitHubgithub.comGitLabgitlab.comBitbucketbitbucket.orgStack Overflowstackoverflow.comnpmnpmjs.com

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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 CodeSandbox.