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Japan Neighborhoods vs Open Government, Poland

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

APIJapan NeighborhoodsUNMONITORED—Open Government, PolandNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedPer dataset (many CC0 1.0 / CC BY)
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Japan Neighborhoods vs Open Government, Poland: common questions

Which is more reliable, Japan Neighborhoods or Open Government, Poland?

Only Open Government, Poland is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Japan Neighborhoods and Open Government, Poland need an API key?

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

Can I call Japan Neighborhoods and Open Government, Poland from the browser?

Yes — both Japan Neighborhoods and Open Government, Poland 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 Japan Neighborhoods and Open Government, Poland free for commercial use?

Japan Neighborhoods has unclear commercial terms, and Open Government, Poland 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.