User Agent Lookup API vs Yes No
Same instrument, two spec sheets — measured, not claimed.
User Agent Lookup API vs Yes No: common questions
Which is more reliable, User Agent Lookup API or Yes No?
Both are neck-and-neck — User Agent Lookup API and Yes No 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, User Agent Lookup API or Yes No?
User Agent Lookup API has the lower median latency in our checks — User Agent Lookup API responds in 426 ms versus Yes No at 692 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 User Agent Lookup API and Yes No need an API key?
Neither needs a paid key — User Agent Lookup API is callable with no signup, and Yes No is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call User Agent Lookup API and Yes No from the browser?
Only Yes No is browser-friendly — it returns CORS headers over HTTPS. User Agent Lookup API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are User Agent Lookup API and Yes No free for commercial use?
User Agent Lookup API has unclear commercial terms, and Yes No 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.