Anthropic experienced a major incident on June 11, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 1h 1m. The incident has been resolved; the full update timeline is below.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- investigating Jun 11, 2026, 04:54 PM UTC
We are currently investigating this issue.
- monitoring Jun 11, 2026, 05:27 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jun 11, 2026, 05:56 PM UTC
The issue affecting various models has been resolved. Impact occurred from 09:42am PT / 16:42 UTC to 10:03am PT / 17:03 UTC.