CodeSignal Outage History

CodeSignal is up right now

CodeSignal had 4 outages in the last 2 years totaling 17h 31m of downtime — averaging 0.2 incidents per month.

There were 4 CodeSignal outages since December 12, 2024 totaling 17h 31m 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 →