CodeSignal Outage History

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CodeSignal had 6 outages in the last 2 years totaling 23h 14m of downtime — averaging 0.2 incidents per month.

There were 6 CodeSignal outages since July 16, 2024 totaling 23h 14m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.codesignal.com

Major October 20, 2025

External outage

Detected by Pingoru
Oct 20, 2025, 02:10 PM UTC
Resolved
Oct 20, 2025, 10:46 PM UTC
Duration
8h 36m
Affected: CodeSignal LearnCode Execution
Timeline · 3 updates
  1. identified Oct 20, 2025, 02:10 PM UTC

    We are recovering from a major outage caused by issues with an external provider. We recommend not starting assessments or live interviews until the issue is fully resolved.

  2. monitoring Oct 20, 2025, 07:41 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Oct 20, 2025, 10:46 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice August 4, 2025

High Error Rate for IDE

Detected by Pingoru
Aug 04, 2025, 11:58 PM UTC
Resolved
Aug 05, 2025, 12:18 AM UTC
Duration
19m
Affected: Main App
Timeline · 2 updates
  1. investigating Aug 04, 2025, 11:58 PM UTC

    We are currently investigating this issue.

  2. resolved Aug 05, 2025, 12:18 AM UTC

    The error rate is resolved.

Read the full incident report →

Minor July 7, 2025

Learn and Interview Issues

Detected by Pingoru
Jul 07, 2025, 02:50 PM UTC
Resolved
Jul 07, 2025, 05:10 PM UTC
Duration
2h 19m
Affected: Main AppCodeSignal Learn
Timeline · 4 updates
  1. investigating Jul 07, 2025, 02:50 PM UTC

    We're experiencing issues that are impacting Learn practice and Interview sessions. We are currently investigating the issues.

  2. identified Jul 07, 2025, 03:09 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jul 07, 2025, 04:05 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Jul 07, 2025, 05:10 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical December 12, 2024

Cosmo API Down

Detected by Pingoru
Dec 12, 2024, 12:19 AM UTC
Resolved
Dec 12, 2024, 06:34 AM UTC
Duration
6h 15m
Affected: CodeSignal Learn
Timeline · 6 updates
  1. investigating Dec 12, 2024, 12:19 AM UTC

    We are currently investigating the issue and will provide more updates shortly.

  2. identified Dec 12, 2024, 01:09 AM UTC

    The issue has been identified and we are working on an implementation.

  3. identified Dec 12, 2024, 02:20 AM UTC

    There is partial functionality as the AI is working in most instances. We are continuing to work on a fix for this issue.

  4. monitoring Dec 12, 2024, 04:27 AM UTC

    Our Learn service has largely recovered. We are monitoring the situation to ensure full service.

  5. monitoring Dec 12, 2024, 06:32 AM UTC

    The issue has been fully resolved.

  6. resolved Dec 12, 2024, 06:34 AM UTC

    This incident has been resolved.

Read the full incident report →

Major August 14, 2024

CodeSignal Learn availability issues

Detected by Pingoru
Aug 14, 2024, 06:40 PM UTC
Resolved
Aug 14, 2024, 09:56 PM UTC
Duration
3h 15m
Affected: CodeSignal Learn
Timeline · 3 updates
  1. identified Aug 14, 2024, 06:40 PM UTC

    CodeSignal Learn is currently facing limited availability due to an issue with our database provider. We’re aware of the issue but right now the resolution is for our database provider to restore service, but the exact timeline for that is currently unclear. We will post further updates as we have them. Please note that this only affects CodeSignal Learn. No other parts of the platform are affected. Apologies for the inconvenience!

  2. monitoring Aug 14, 2024, 07:02 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Aug 14, 2024, 09:56 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 16, 2024

Slow/unresponsive code execution

Detected by Pingoru
Jul 16, 2024, 01:19 PM UTC
Resolved
Jul 16, 2024, 03:47 PM UTC
Duration
2h 27m
Affected: Code Execution
Timeline · 3 updates
  1. investigating Jul 16, 2024, 01:19 PM UTC

    We are aware of an issue that is currently affecting code execution for some users. The main app is unaffected, but code execution in live interviews or assessments may be slow or unresponsive. We are currently investigating and working on a fix. We appreciate your patience and understanding.

  2. monitoring Jul 16, 2024, 01:46 PM UTC

    Code execution is now stable, though may still be slightly slower than normal. We are continuing to monitor and will update if the situation changes. We apologize for any inconvenience and we again appreciate your patience and understanding while we have been working to resolve this.

  3. resolved Jul 16, 2024, 03:47 PM UTC

    Code execution and all other platform systems are now functioning normally.

Read the full incident report →