Not Human Search vs USPTO
Same instrument, two spec sheets — measured, not claimed.
Not Human Search vs USPTO: common questions
Which is more reliable, Not Human Search or USPTO?
Both are neck-and-neck — Not Human Search and USPTO 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, Not Human Search or USPTO?
Not Human Search has the lower median latency in our checks — Not Human Search responds in 239 ms versus USPTO at 1141 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 Not Human Search and USPTO need an API key?
Neither needs a paid key — Not Human Search is callable with no signup, and USPTO is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Not Human Search and USPTO 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 Not Human Search and USPTO free for commercial use?
Not Human Search has unclear commercial terms, and USPTO 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.