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adresse.data.gouv.fr vs Smappee API

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

APIadresse.data.gouv.frHEALTHY90Smappee APIHEALTHY92
Uptime · 30d
Uptime · 90d99.44%100%
Uptime · 30d98.3%100%
P50 · ms461516
P95 · ms24861644
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Rate limit50 requests/second per IP (documented)Unpublished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?

On our scheduled checks, Smappee API leads on measured uptime — adresse.data.gouv.fr at 99.44% versus Smappee API at 100% 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 Smappee API?

adresse.data.gouv.fr has the lower median latency in our checks — adresse.data.gouv.fr responds in 461 ms versus Smappee API at 516 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.