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Federal Register vs LocalGov.jp

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

APIFederal RegisterNEW—LocalGov.jpNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseUS Government work — public domainCC BY 4.0 (attribution: "via LocalGov.jp")
Free tierFree — no key or signup requiredFree — all endpoints currently free (per llms.txt)
Rate limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Federal Register vs LocalGov.jp: common questions

Which is more reliable, Federal Register or LocalGov.jp?

On our scheduled checks, LocalGov.jp leads on measured uptime — Federal Register at —% versus LocalGov.jp 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 LocalGov.jp need an API key?

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

Can I call Federal Register and LocalGov.jp from the browser?

Yes — both Federal Register and LocalGov.jp 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 LocalGov.jp free for commercial use?

Federal Register allows commercial use on its free tier, and LocalGov.jp 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.