Resolved after 1 hour 40 minutes, affecting Claude API (api.anthropic.com) and Claude Cowork, on September 10, 2026.
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.
Affected components
Claude API (api.anthropic.com)Claude Cowork
Update timeline
- 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.
Your product runs on more than Anthropic
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services