Elevated latency on the Claude API for some users
Sep 10, 21:43 UTCSep 10, 23:24 UTC
Duration
1h 41m
Impact
Minor
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
Claude API (api.anthropic.com)Claude Cowork
Final update
The issue affecting Claude services has been mitigated.
Timeline
- Resolved · Sep 10, 23:24 UTC
The issue affecting Claude services has been mitigated.
- Identified · Sep 10, 21:43 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.
More from Anthropic
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2200:57 UTC | Elevated errors for multiple models | major | 1h 38m |
| Sep 1616:18 UTC | Issues with Google Play subscriptions | none | 33m |
| Sep 1509:48 UTC | Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 | major | 1h 26m |
| Sep 1114:19 UTC | Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 | major | 17m |
| Sep 1015:54 UTC | Degraded functionality for Claude Cowork on Windows | major | 4d 3h |
| Sep 313:26 UTC | Elevated errors for multiple models | major | 2h 57m |
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