adresse.data.gouv.fr vs ISO 3166-2 API

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms8531056
P95 · ms23102865
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseLicence Ouverte / ODbL (Base Adresse Nationale)Unverified
Free tierFree, no API keyFree — limits not published
Rate limit50 requests/second per IP (documented)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

adresse.data.gouv.fr vs ISO 3166-2 API: common questions

Which is more reliable, adresse.data.gouv.fr or ISO 3166-2 API?

Both are neck-and-neck — adresse.data.gouv.fr and ISO 3166-2 API 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 ISO 3166-2 API?

adresse.data.gouv.fr has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 ms versus ISO 3166-2 API at 1056 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 ISO 3166-2 API need an API key?

Neither needs a paid key — adresse.data.gouv.fr is callable with no signup, and ISO 3166-2 API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call adresse.data.gouv.fr and ISO 3166-2 API from the browser?

Yes — both adresse.data.gouv.fr and ISO 3166-2 API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are adresse.data.gouv.fr and ISO 3166-2 API free for commercial use?

adresse.data.gouv.fr allows commercial use on its free tier, and ISO 3166-2 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.