Go Checksum Database
Go module checksum database (sum.golang.org): latest signed tree head, consulted by every go get.
Operational
Last checked · response time 29 ms
90-day uptime
Monitoring since · 31 days of data
Recent changes
No changes detected in 31 days of monitoring (since 2026-06-12).
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/go-checksum-db)
Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.
Guardian probes https://sum.golang.org/latest about every 5 minutes. How Guardian measures.