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adresse.data.gouv.fr vs Open-Elevation API

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

APIadresse.data.gouv.frHEALTHY90Open-Elevation APIHEALTHY87
Uptime · 30d
Uptime · 90d99.44%86.1%
Uptime · 30d98.3%76.7%
P50 · ms436231
P95 · ms24864287
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Rate limit50 requests/second per IP (documented)Unpublished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 Open-Elevation API: common questions

Which is more reliable, adresse.data.gouv.fr or Open-Elevation API?

On our scheduled checks, adresse.data.gouv.fr leads on measured uptime — adresse.data.gouv.fr at 99.44% versus Open-Elevation API at 86.1% 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 Open-Elevation API?

Open-Elevation API has the lower median latency in our checks — adresse.data.gouv.fr responds in 436 ms versus Open-Elevation API at 231 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 Open-Elevation API need an API key?

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

Can I call adresse.data.gouv.fr and Open-Elevation API from the browser?

Yes — both adresse.data.gouv.fr and Open-Elevation 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 Open-Elevation API free for commercial use?

adresse.data.gouv.fr allows commercial use on its free tier, and Open-Elevation 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.