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EPA vs LocalGov.jp

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

APIEPAHEALTHY53LocalGov.jpHEALTHY81
Uptime · 30d
Uptime · 90d54.9%100%
Uptime · 30d66.7%100%
P50 · ms31501274
P95 · ms49661718
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0 (attribution: "via LocalGov.jp")
Free tierFree — limits not publishedFree — all endpoints currently free (per llms.txt)
Rate limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

EPA vs LocalGov.jp: common questions

Which is more reliable, EPA or LocalGov.jp?

On our scheduled checks, LocalGov.jp leads on measured uptime — EPA at 54.9% versus LocalGov.jp at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, EPA or LocalGov.jp?

LocalGov.jp has the lower median latency in our checks — EPA responds in 3150 ms versus LocalGov.jp at 1274 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do EPA and LocalGov.jp need an API key?

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

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

EPA has unclear commercial terms, 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.