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USAspending.gov vs LocalGov.jp

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

APIUSAspending.govNEW—LocalGov.jpNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseU.S. Government Work (public domain)CC BY 4.0 (attribution: "via LocalGov.jp")
Free tierFree — no key requiredFree — all endpoints currently free (per llms.txt)
Rate limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

USAspending.gov vs LocalGov.jp: common questions

Which is more reliable, USAspending.gov or LocalGov.jp?

On our scheduled checks, LocalGov.jp leads on measured uptime — USAspending.gov 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 USAspending.gov and LocalGov.jp need an API key?

Neither needs a paid key — USAspending.gov 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 USAspending.gov and LocalGov.jp from the browser?

Only LocalGov.jp is browser-friendly — it returns CORS headers over HTTPS. USAspending.gov needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are USAspending.gov and LocalGov.jp free for commercial use?

USAspending.gov 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.