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Federal Register vs Open Government, Denmark

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

APIFederal RegisterNEW—Open Government, DenmarkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUS Government work — public domainUnverified (varies per dataset)
Free tierFree — no key or signup requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Federal Register vs Open Government, Denmark: common questions

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

On our scheduled checks, Open Government, Denmark leads on measured uptime — Federal Register at —% versus Open Government, Denmark 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, Denmark need an API key?

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

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

Yes — both Federal Register and Open Government, Denmark send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

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

Federal Register allows commercial use on its free tier, and Open Government, Denmark has unclear commercial terms. 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.