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City, Nantes Open Data vs Recherche Entreprises

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

APICity, Nantes Open DataNEW—Recherche EntreprisesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Nantes Open Data vs Recherche Entreprises: common questions

Which is more reliable, City, Nantes Open Data or Recherche Entreprises?

On our scheduled checks, Recherche Entreprises leads on measured uptime — City, Nantes Open Data at —% versus Recherche Entreprises at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do City, Nantes Open Data and Recherche Entreprises need an API key?

Recherche Entreprises needs no key, while City, Nantes Open Data requires a free API key. If you want to start calling without signup, reach for Recherche Entreprises first.

Can I call City, Nantes Open Data and Recherche Entreprises from the browser?

Yes — both City, Nantes Open Data and Recherche Entreprises 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 City, Nantes Open Data and Recherche Entreprises free for commercial use?

City, Nantes Open Data has unclear commercial terms, and Recherche Entreprises 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.