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French Business API vs Quandl

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

APIFrench Business APINEW—QuandlNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

French Business API vs Quandl: common questions

Which is more reliable, French Business API or Quandl?

On our scheduled checks, Quandl leads on measured uptime — French Business API at —% versus Quandl 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 French Business API and Quandl need an API key?

Quandl needs no key, while French Business API requires a free API key. If you want to start calling without signup, reach for Quandl first.

Can I call French Business API and Quandl from the browser?

Only French Business API is browser-friendly — it returns CORS headers over HTTPS. Quandl needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are French Business API and Quandl free for commercial use?

French Business API has unclear commercial terms, and Quandl 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.