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FastDOL vs Japan Neighborhoods

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

APIFastDOLNEW—Japan NeighborhoodsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FastDOL vs Japan Neighborhoods: common questions

Which is more reliable, FastDOL or Japan Neighborhoods?

On our scheduled checks, Japan Neighborhoods leads on measured uptime — FastDOL at —% versus Japan Neighborhoods 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 FastDOL and Japan Neighborhoods need an API key?

Japan Neighborhoods needs no key, while FastDOL requires a free API key. If you want to start calling without signup, reach for Japan Neighborhoods first.

Can I call FastDOL and Japan Neighborhoods from the browser?

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

Are FastDOL and Japan Neighborhoods free for commercial use?

FastDOL has unclear commercial terms, and Japan Neighborhoods 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.