Fly.io Machines API
Fly.io Machines API liveness (api.machines.dev): an unauthenticated GET to /v1/apps returns HTTP 401 when the orchestration API is up (the org_slug param routes past the bare-path 404; tokens are validated first), an auth-gated liveness probe.
Reachable, auth required
Last checked · response time 66 ms
90-day uptime
Monitoring since · 29 days of data
Recent changes
No changes detected in 29 days of monitoring (since 2026-06-15).
Integrate
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.
Status badge: 
Markdown embed: [](https://guardiandev.ai/apis/flyio-machines-api)
Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.
Guardian probes https://api.machines.dev/v1/apps?org_slug=guardian-probe about every 5 minutes. How Guardian measures.