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adresse.data.gouv.fr vs Smappee API

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

APIadresse.data.gouv.frHEALTHY88Smappee APIHEALTHY89
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms853809
P95 · ms23101644
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseLicence Ouverte / ODbL (Base Adresse Nationale)Unverified
Free tierFree, no API keyFree tier — API key required
Rate limit50 requests/second per IP (documented)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

adresse.data.gouv.fr vs Smappee API: common questions

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

Both are neck-and-neck — adresse.data.gouv.fr and Smappee 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 Smappee API?

Smappee API has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 ms versus Smappee API at 809 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 Smappee API need an API key?

adresse.data.gouv.fr needs no key, while Smappee API 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 Smappee API from the browser?

Only adresse.data.gouv.fr is browser-friendly — it returns CORS headers over HTTPS. Smappee API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are adresse.data.gouv.fr and Smappee API free for commercial use?

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