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adresse.data.gouv.fr vs OpenPLZ API

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

APIadresse.data.gouv.frHEALTHY88OpenPLZ APIHEALTHY94
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms853561
P95 · ms2310903
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Rate limit50 requests/second per IP (documented)Unpublished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 OpenPLZ API: common questions

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

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

OpenPLZ API has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 ms versus OpenPLZ API at 561 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 OpenPLZ API need an API key?

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

Can I call adresse.data.gouv.fr and OpenPLZ API from the browser?

Yes — both adresse.data.gouv.fr and OpenPLZ 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 OpenPLZ API free for commercial use?

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