Part of Anthropic

Is Claude API down?

Last checked 121d ago
Current status
Claude API is up

No incidents right now.

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

Claude API is operational right now. Last checked 121d ago; the most recent incident resolved 4d 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 78 incidents in the last 90 days (48.89% 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 48.89% uptime · past 90 days
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Recent outages & incidents

Past 90 days
  1. Resolved 17m
    Started Sep 11, 2026, 02:19 PM UTC · Resolved Sep 11, 2026, 02:37 PM UTC
    claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
    Timeline · 5 updates
    • investigating · Sep 11, 2026, 02:19 PM UTC

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

    • identified · Sep 11, 2026, 02:21 PM UTC

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

    • monitoring · Sep 11, 2026, 02:28 PM UTC

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

    • monitoring · Sep 11, 2026, 02:28 PM UTC

      A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

    • resolved · Sep 11, 2026, 02:37 PM UTC

      The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

    Latest: The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

  2. Resolved 1h 40m
    Started Sep 10, 2026, 09:43 PM UTC · Resolved Sep 10, 2026, 11:24 PM UTC
    Claude API (api.anthropic.com)Claude Cowork
    Timeline · 2 updates
    • identified · Sep 10, 2026, 09:43 PM UTC

      We are experiencing slower than normal response times on the Claude API for some customers whose traffic enters through the US Midwest. Users may experience elevated latency and some request timeouts.

    • resolved · Sep 10, 2026, 11:24 PM UTC

      The issue affecting Claude services has been mitigated.

    Latest: The issue affecting Claude services has been mitigated.

  3. 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.

  4. 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.

  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.

See the full Claude API outage history

73 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 · 78 incidents View full outage history →