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Incident archive

Claude outage September 29, 2026

Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API

Claude claude.ai was down for 2 h 6 min on September 29, 2026.

Claude recorded a major-impact incident affecting claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork on September 29, 2026. It ran for 2 h 6 min — 59 min longer than the archive median of 1 h 7 min.

Started
September 29, 2026, 14:21 UTC
Resolved
September 29, 2026, 16:27 UTC
Duration
2 h 6 min
Impact
Major

What was affected?

How long did it last?

  1. September 29, 2026, 14:21 UTCinvestigatingT+0
  2. September 29, 2026, 14:28 UTCinvestigatingT+7 min
  3. September 29, 2026, 14:30 UTCinvestigatingT+9 min
  4. September 29, 2026, 14:41 UTCinvestigatingT+20 min
  5. September 29, 2026, 15:00 UTCinvestigatingT+39 min
  6. September 29, 2026, 15:11 UTCmonitoringT+50 min
  7. September 29, 2026, 15:30 UTCmonitoringT+1 h 9 min
  8. September 29, 2026, 16:27 UTCresolvedT+2 h 6 min

Has this happened before?

This was incident 12 of 12 recorded in September 2026, totalling 113 h 31 min of reported disruption across all Claude components that month. claude.ai was affected by 10 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on September 22, 2026. These comparisons are drawn from our archive, which starts on July 14, 2026. See the full outage history.

Summarized by Claude Network from Claude Status. Last verified .