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IPLocate.io vs User Agent Lookup API

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

APIIPLocate.ioHEALTHY85User Agent Lookup APIHEALTHY96
Uptime · 30d
Uptime · 90d71.6%100%
Uptime · 30d90.0%100%
P50 · ms56426
P95 · ms196764
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit50 req/window · 49 remaining · resets 1783555200Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPLocate.io vs User Agent Lookup API: common questions

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

On our scheduled checks, User Agent Lookup API leads on measured uptime — IPLocate.io at 71.6% versus User Agent Lookup API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, IPLocate.io or User Agent Lookup API?

IPLocate.io has the lower median latency in our checks — IPLocate.io responds in 56 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.io and User Agent Lookup API need an API key?

Neither needs a paid key — IPLocate.io 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.io and User Agent Lookup API from the browser?

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

IPLocate.io 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.