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IBGE vs IPWhois

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

APIIBGENEW—IPWhoisNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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

IBGE vs IPWhois: common questions

Which is more reliable, IBGE or IPWhois?

On our scheduled checks, IPWhois leads on measured uptime — IBGE at —% versus IPWhois 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 IBGE and IPWhois need an API key?

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

Can I call IBGE and IPWhois from the browser?

Only IBGE 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 IBGE and IPWhois free for commercial use?

IBGE 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.