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adresse.data.gouv.fr vs IPWhois

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

APIadresse.data.gouv.frNEW—IPWhoisNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useyesunclear
Data licenseLicence Ouverte / ODbL (Base Adresse Nationale)Unverified
Free tierFree, no API keyFree tier — API key may be required for production
Rate limit50 requests/second per IP (documented)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

adresse.data.gouv.fr vs IPWhois: common questions

Which is more reliable, adresse.data.gouv.fr or IPWhois?

On our scheduled checks, IPWhois leads on measured uptime — adresse.data.gouv.fr 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 adresse.data.gouv.fr and IPWhois need an API key?

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

Can I call adresse.data.gouv.fr and IPWhois from the browser?

Only adresse.data.gouv.fr 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 adresse.data.gouv.fr and IPWhois free for commercial use?

adresse.data.gouv.fr allows commercial use on its free tier, 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.