Anthropic Claude API
Anthropic Claude API liveness (api.anthropic.com): an unauthenticated GET to /v1/models returns HTTP 401 when the API is up, measured by Guardian as an auth-gated liveness probe with real uptime and latency.
Reachable, auth required
Last checked · response time 149 ms
90-day uptime
Monitoring since · 29 days of data
Recent changes
No changes detected in 29 days of monitoring (since 2026-06-15).
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The live status, 90-day uptime figure and change history on this page are also machine-readable: embed the badge, poll the JSON, or subscribe to the feed. No key needed.
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Markdown embed: [](https://guardiandev.ai/apis/anthropic-api)
Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.
Guardian probes https://api.anthropic.com/v1/models about every 5 minutes. How Guardian measures.