USPTO vs Not Human Search
Same instrument, two spec sheets — measured, not claimed.
USPTO vs Not Human Search: common questions
Which is more reliable, USPTO or Not Human Search?
On our scheduled checks, Not Human Search leads on measured uptime — USPTO 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 USPTO and Not Human Search need an API key?
Neither needs a paid key — USPTO 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 USPTO and Not Human Search from the browser?
Only Not Human Search is browser-friendly — it returns CORS headers over HTTPS. USPTO needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are USPTO and Not Human Search free for commercial use?
USPTO 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.