IPLocate vs User Agent Lookup API

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms21426
P95 · ms82764
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPLocate vs User Agent Lookup API: common questions

Which is more reliable, IPLocate or User Agent Lookup API?

Both are neck-and-neck — IPLocate and User Agent Lookup API 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, IPLocate or User Agent Lookup API?

IPLocate has the lower median latency in our checks — IPLocate responds in 21 ms versus User Agent Lookup API at 426 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 IPLocate and User Agent Lookup API need an API key?

Neither needs a paid key — IPLocate is callable with no signup, and User Agent Lookup API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call IPLocate and User Agent Lookup API from the browser?

Only IPLocate 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 IPLocate and User Agent Lookup API free for commercial use?

IPLocate has unclear commercial terms, and User Agent Lookup API 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.