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adresse.data.gouv.fr vs Cartes.io

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

APIadresse.data.gouv.frHEALTHY88Cartes.ioHEALTHY92
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms853612
P95 · ms23101160
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseLicence Ouverte / ODbL (Base Adresse Nationale)Unverified (open-source project; user-generated maps)
Free tierFree, no API keyFree, no API key for public read
Rate limit50 requests/second per IP (documented)60 req/window · 59 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

adresse.data.gouv.fr vs Cartes.io: common questions

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

On our scheduled checks, adresse.data.gouv.fr leads on measured uptime — adresse.data.gouv.fr at 100% versus Cartes.io at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, adresse.data.gouv.fr or Cartes.io?

Cartes.io has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 ms versus Cartes.io at 612 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 Cartes.io need an API key?

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

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

Yes — both adresse.data.gouv.fr and Cartes.io 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 Cartes.io free for commercial use?

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