Incident archive

Claude outage September 10, 2026

Elevated latency on the Claude API for some users

Claude Claude API (api.anthropic.com) was degraded for 1 h 41 min on September 10, 2026.

Claude recorded a minor-impact incident affecting Claude API (api.anthropic.com), Claude Cowork on September 10, 2026. It ran for 1 h 41 min — 34 min longer than the archive median of 1 h 7 min.

Started
September 10, 2026, 21:43 UTC
Resolved
September 10, 2026, 23:24 UTC
Duration
1 h 41 min
Impact
Minor

What was affected?

How long did it last?

  1. September 10, 2026, 21:43 UTCidentifiedT+0
  2. September 10, 2026, 23:24 UTCresolvedT+1 h 41 min

Has this happened before?

This was incident 8 of 10 recorded in September 2026, totalling 109 h 47 min of reported disruption across all Claude components that month. Claude API (api.anthropic.com) was affected by 14 other recorded incidents in the 30 days before this one started. The previous incident touching Claude API (api.anthropic.com) started on September 3, 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 .