FastDOL vs Japan Neighborhoods
Same instrument, two spec sheets — measured, not claimed.
FastDOL vs Japan Neighborhoods: common questions
Which is more reliable, FastDOL or Japan Neighborhoods?
Both are neck-and-neck — FastDOL and Japan Neighborhoods each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, FastDOL or Japan Neighborhoods?
Japan Neighborhoods has the lower median latency in our checks — FastDOL responds in 680 ms versus Japan Neighborhoods at 117 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 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.