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adresse.data.gouv.fr vs IPWhois

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

APIadresse.data.gouv.frHEALTHY88IPWhoisHEALTHY100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms85323
P95 · ms2310598
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Rate limit50 requests/second per IP (documented)Unpublished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?

Both are neck-and-neck — adresse.data.gouv.fr and IPWhois 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, adresse.data.gouv.fr or IPWhois?

IPWhois has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 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 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.