Resolved after 42 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on October 27, 2026.
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- investigating Oct 27, 2026, 09:14 AM UTC
We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.
- monitoring Oct 27, 2026, 09:38 AM UTC
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- resolved Oct 27, 2026, 09:56 AM UTC
The issue affecting Claude services has been resolved.
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.