Anthropic incident

Elevated latency on the Claude API for some users

Minor Resolved View vendor source →

Anthropic experienced a minor incident on September 10, 2026 affecting Claude API (api.anthropic.com) and Claude Cowork, lasting 1h 40m. The incident has been resolved; the full update timeline is below.

Started
Sep 10, 2026, 09:43 PM UTC
Resolved
Sep 10, 2026, 11:24 PM UTC
Duration
1h 40m
Detected by Pingoru
Sep 10, 2026, 09:43 PM UTC

Affected components

Claude API (api.anthropic.com)Claude Cowork

Update timeline

  1. 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.

  2. resolved Sep 10, 2026, 11:24 PM UTC

    The issue affecting Claude services has been mitigated.