IPGEO vs IPWhois

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms26623
P95 · ms2083598
AuthnoneapiKey
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPGEO vs IPWhois: common questions

Which is more reliable, IPGEO or IPWhois?

On our scheduled checks, IPWhois leads on measured uptime — IPGEO at 99.02% versus IPWhois 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, IPGEO or IPWhois?

IPWhois has the lower median latency in our checks — IPGEO responds in 266 ms versus IPWhois at 23 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 IPGEO and IPWhois need an API key?

IPGEO needs no key, while IPWhois requires a free API key. If you want to start calling without signup, reach for IPGEO first.

Can I call IPGEO and IPWhois from the browser?

Only IPGEO is browser-friendly — it returns CORS headers over HTTPS. IPWhois needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are IPGEO and IPWhois free for commercial use?

IPGEO has unclear commercial terms, and IPWhois 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.