adresse.data.gouv.fr vs ISO 3166-2 API
Same instrument, two spec sheets — measured, not claimed.
adresse.data.gouv.fr vs ISO 3166-2 API: common questions
Which is more reliable, adresse.data.gouv.fr or ISO 3166-2 API?
On our scheduled checks, ISO 3166-2 API leads on measured uptime — adresse.data.gouv.fr at 99.44% versus ISO 3166-2 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 ISO 3166-2 API?
adresse.data.gouv.fr has the lower median latency in our checks — adresse.data.gouv.fr responds in 461 ms versus ISO 3166-2 API at 1011 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 ISO 3166-2 API need an API key?
Neither needs a paid key — adresse.data.gouv.fr is callable with no signup, and ISO 3166-2 API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call adresse.data.gouv.fr and ISO 3166-2 API from the browser?
Yes — both adresse.data.gouv.fr and ISO 3166-2 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 ISO 3166-2 API free for commercial use?
adresse.data.gouv.fr allows commercial use on its free tier, and ISO 3166-2 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.