Is it down? / Anthropic
No issues foundNo user-reported issues in the past 1 hours, and the official status page shows: All Systems Operational.
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Official incidents
FAQ
No user-reported issues in the past 1 hours, and the official status page shows: All Systems Operational.
First, confirm whether it's a widespread problem: check the official status and user reports on this page. If it's only you, try switching networks, clearing your browser cache, or using a different browser. When accessing overseas services from mainland China, the network route is the most common cause; use cdnping's IP check to see your exit and split routing.
Just click the matching issue type at the top of this page. No sign-in required. Reports are counted anonymously.
Official status: All Systems Operational
API probe: last reachable · Details
User reports: 0 in 1 hours / usually 0.0 per hour
Related articles
Fix Claude Code connection timeouts and errors layer by layer: service status, local network, exit IP and local config. Includes a curl timing command, an error-code table and cdnping tools.
Where Claude Code, Codex and OpenCode read the endpoint URL and API key, with copy-paste env vars and config files, a 401/404/timeout fix table and network self-checks.