adresse.data.gouv.fr vs ISO 3166 Updates API

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
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)500 req/window
In directory since2026-07-052026-07-05
operationalpartialdownno data

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

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

On our scheduled checks, ISO 3166 Updates API leads on measured uptime — adresse.data.gouv.fr at —% versus ISO 3166 Updates API 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 ISO 3166 Updates API need an API key?

Neither needs a paid key — adresse.data.gouv.fr is callable with no signup, and ISO 3166 Updates 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 Updates API from the browser?

Yes — both adresse.data.gouv.fr and ISO 3166 Updates 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 Updates API free for commercial use?

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