crates.io API
Rust crates.io registry API: site summary with new and most-downloaded crates.
Operational
Last checked · response time 291 ms
90-day uptime
Monitoring since · 77 days of data
Past incidents
No incidents reported.
No incidents reported.
No incidents reported.
No incidents reported.
No incidents reported.
No incidents reported.
No incidents reported.
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No incidents reported.
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No incidents reported.
- Guardian-measuredResolvedAPI: HTTP 503 · resolved after 10m
- Guardian-measuredResolvedAPI: HTTP 503 · resolved after 33m
- Availability incidentEndpoint has failed 3 consecutive polls (latest: HTTP 503)
- Guardian-measuredResolvedAPI: HTTP 500 · resolved after 26m
- Guardian-measuredResolvedAPI: HTTP 500 · resolved after 5m
- Guardian-measuredResolvedAPI: HTTP 500 · resolved after 5m
- Guardian-measuredResolvedAPI: HTTP 503 · resolved after 10m
Recent changes
- Potentially breaking change6 fields changed: just_updated[].homepage, just_updated[].max_stable_version, just_updated[].recent_downloads, +3 more
- Potentially breaking change5 fields changed: just_updated[].documentation, just_updated[].homepage, just_updated[].max_stable_version, +2 more
- Potentially breaking change2 fields changed: just_updated[].recent_downloads, just_updated[].repository
- Potentially breaking change3 fields changed: just_updated[].max_stable_version, just_updated[].recent_downloads, just_updated[].repository
- Potentially breaking change5 fields changed: just_updated[].documentation, just_updated[].max_stable_version, just_updated[].recent_downloads, +2 more
- Potentially breaking change4 fields changed: just_updated[].max_stable_version, just_updated[].repository, new_crates[].max_stable_version, +1 more
- Potentially breaking change6 fields changed: just_updated[].documentation, just_updated[].max_stable_version, just_updated[].recent_downloads, +3 more
- Potentially breaking change4 fields changed: just_updated[].max_stable_version, just_updated[].recent_downloads, new_crates[].recent_downloads, +1 more
- Potentially breaking change4 fields changed: just_updated[].max_stable_version, just_updated[].recent_downloads, new_crates[].recent_downloads, +1 more
- Potentially breaking change3 fields changed: just_updated[].max_stable_version, new_crates[].recent_downloads, new_crates[].repository
- Potentially breaking change5 fields changed: just_updated[].documentation, just_updated[].homepage, just_updated[].max_stable_version, +2 more
- Potentially breaking change4 fields changed: just_updated[].documentation, just_updated[].homepage, just_updated[].max_stable_version, +1 more
- Potentially breaking change3 fields changed: just_updated[].max_stable_version, just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change3 fields changed: just_updated[].max_stable_version, just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change4 fields changed: just_updated[].documentation, just_updated[].max_stable_version, just_updated[].recent_downloads, +1 more
- Potentially breaking change2 fields changed: just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change2 fields changed: just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change3 fields changed: just_updated[].documentation, just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change3 fields changed: just_updated[].documentation, just_updated[].recent_downloads, new_crates[].recent_downloads
- Potentially breaking change3 fields changed: just_updated[].max_stable_version, just_updated[].repository, new_crates[].recent_downloads
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/crates-io-api)
Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.
Guardian probes https://crates.io/api/v1/summary about every 5 minutes. How Guardian measures.