Open Notify vs Not Human Search
Same instrument, two spec sheets — measured, not claimed.
Open Notify vs Not Human Search: common questions
Which is more reliable, Open Notify or Not Human Search?
On our scheduled checks, Not Human Search leads on measured uptime — Open Notify at —% versus Not Human Search 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 Open Notify and Not Human Search need an API key?
Neither needs a paid key — Open Notify is callable with no signup, and Not Human Search is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Open Notify and Not Human Search from the browser?
Only Not Human Search is browser-friendly — it returns CORS headers over HTTPS. Open Notify needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Open Notify and Not Human Search free for commercial use?
Open Notify has unclear commercial terms, and Not Human Search 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.