# Anthropic: Elevated latency on the Claude API for some users

- Provider: [Anthropic](https://outages.cc/anthropic.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-10 21:43 UTC
- Resolved: 2026-09-10 23:24 UTC (lasted 1 h 41 min)
- Components: Claude API (api.anthropic.com), Claude Cowork
- Official update: https://stspg.io/hfs7749ykl14

## Updates from Anthropic

### resolved, 2026-09-10 23:24 UTC

The issue affecting Claude services has been mitigated.

### identified, 2026-09-10 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.