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Federal Register vs Open Government, Canada

Same instrument, two spec sheets — measured, not claimed.

APIFederal RegisterNEW—Open Government, CanadaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseUS Government work — public domainOpen Government Licence – Canada
Free tierFree — no key or signup requiredFree / open data
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Federal Register vs Open Government, Canada: common questions

Which is more reliable, Federal Register or Open Government, Canada?

On our scheduled checks, Open Government, Canada leads on measured uptime — Federal Register at —% versus Open Government, Canada at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Federal Register and Open Government, Canada need an API key?

Neither needs a paid key — Federal Register is callable with no signup, and Open Government, Canada is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Federal Register and Open Government, Canada from the browser?

Only Federal Register is browser-friendly — it returns CORS headers over HTTPS. Open Government, Canada needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Federal Register and Open Government, Canada free for commercial use?

Federal Register allows commercial use on its free tier, and Open Government, Canada allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.