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Is Claude API down?

Last checked 115d ago
Current status
Claude API is up

No incidents right now.

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Official status page: https://status.anthropic.com · Polled every 5 minutes · 1 component tracked

Claude API is operational right now. Last checked 115d ago; the most recent incident resolved 5d ago.

Real-time Claude API status, recent outages, and incident history — pulled directly from Claude API's official status page at https://status.anthropic.com every 5 minutes. Pingoru tracks 1 Claude API service and has captured 84 incidents in the last 90 days (45.56% uptime). Get email, Slack, Discord, or webhook alerts the moment Claude API reports a new incident — free for 5 monitors, no credit card.

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Claude API uptime 45.56% uptime · past 90 days
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Recent outages & incidents

Past 90 days
  1. Elevated errors for multiple models
    Resolved 2h 57m
    Started Sep 03, 2026, 01:26 PM UTC · Resolved Sep 03, 2026, 04:23 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 7 updates
    • investigating · Sep 03, 2026, 01:26 PM UTC

      We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.

    • identified · Sep 03, 2026, 01:41 PM UTC

      We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

    • identified · Sep 03, 2026, 01:50 PM UTC

      An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.

    • identified · Sep 03, 2026, 02:49 PM UTC

      We are continuing to work on a fix for this issue.

    • identified · Sep 03, 2026, 03:25 PM UTC

      The only affected models right now are Opus 4.8 and Opus 5. The rest of the models have recovered to baseline error rate.

    • monitoring · Sep 03, 2026, 04:06 PM UTC

      A fix has been deployed for Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and we are monitoring for recovery.

    • resolved · Sep 03, 2026, 04:23 PM UTC

      The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

    Latest: The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

  2. Elevated errors for Claude Sonnet 5
    Resolved 18m
    Started Sep 03, 2026, 12:37 PM UTC · Resolved Sep 03, 2026, 12:56 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 3 updates
    • investigating · Sep 03, 2026, 12:37 PM UTC

      We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

    • monitoring · Sep 03, 2026, 12:47 PM UTC

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

    • resolved · Sep 03, 2026, 12:56 PM UTC

      This incident has been resolved.

    Latest: This incident has been resolved.

  3. Elevated errors for Claude Sonnet 5
    Resolved 26m
    Started Sep 02, 2026, 09:17 PM UTC · Resolved Sep 02, 2026, 09:44 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 2 updates
    • investigating · Sep 02, 2026, 09:17 PM UTC

      We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

    • resolved · Sep 02, 2026, 09:44 PM UTC

      The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

    Latest: The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

  4. Elevated errors for multiple models
    Resolved 3h 24m
    Started Aug 24, 2026, 05:06 AM UTC · Resolved Aug 24, 2026, 08:30 AM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 5 updates
    • investigating · Aug 24, 2026, 05:06 AM UTC

      We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.

    • identified · Aug 24, 2026, 05:27 AM UTC

      We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.

    • identified · Aug 24, 2026, 06:42 AM UTC

      We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.

    • identified · Aug 24, 2026, 07:47 AM UTC

      At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.

    • resolved · Aug 24, 2026, 08:30 AM UTC

      This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.

    Latest: This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5…

  5. Elevated errors on requests to multiple models
    Resolved 26m
    Started Aug 20, 2026, 07:16 PM UTC · Resolved Aug 20, 2026, 07:42 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 2 updates
    • investigating · Aug 20, 2026, 07:16 PM UTC

      We are investigating elevated errors on requests to some Claude models. We will provide additional updates as soon as possible.

    • resolved · Aug 20, 2026, 07:42 PM UTC

      This issue has been resolved.

    Latest: This issue has been resolved.

See the full Claude API outage history

79 more incidents in the last 90 days, plus the full multi-year archive of per-service events and update timelines.

Browse Claude API outage history →

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Outage history

Past 90 days · 84 incidents View full outage history →