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adresse.data.gouv.fr vs Check e-mail or username for a data breach

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

APIadresse.data.gouv.frHEALTHY88Check e-mail or username for a data breachHEALTHY97
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms853266
P95 · ms23101690
Authnonenone
CORSyesno
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Rate limit50 requests/second per IP (documented)Unpublished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 Check e-mail or username for a data breach: common questions

Which is more reliable, adresse.data.gouv.fr or Check e-mail or username for a data breach?

Both are neck-and-neck — adresse.data.gouv.fr and Check e-mail or username for a data breach 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 Check e-mail or username for a data breach?

Check e-mail or username for a data breach has the lower median latency in our checks — adresse.data.gouv.fr responds in 853 ms versus Check e-mail or username for a data breach at 266 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 Check e-mail or username for a data breach need an API key?

Neither needs a paid key — adresse.data.gouv.fr is callable with no signup, and Check e-mail or username for a data breach is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call adresse.data.gouv.fr and Check e-mail or username for a data breach from the browser?

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

Are adresse.data.gouv.fr and Check e-mail or username for a data breach free for commercial use?

adresse.data.gouv.fr allows commercial use on its free tier, and Check e-mail or username for a data breach 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.