Noctua vs USPTO
Same instrument, two spec sheets — measured, not claimed.
Noctua vs USPTO: common questions
Which is more reliable, Noctua or USPTO?
On our scheduled checks, USPTO leads on measured uptime — Noctua at —% versus USPTO 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 Noctua and USPTO need an API key?
Neither needs a paid key — Noctua 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 Noctua and USPTO from the browser?
Neither sends browser-friendly CORS headers reliably, so call Noctua and USPTO from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Noctua and USPTO free for commercial use?
Noctua 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.