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iQualify Management API vs Quandl

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

APIiQualify Management 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

iQualify Management API vs Quandl: common questions

Which is more reliable, iQualify Management API or Quandl?

On our scheduled checks, Quandl leads on measured uptime — iQualify Management 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 iQualify Management API and Quandl need an API key?

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

Can I call iQualify Management API and Quandl from the browser?

Only iQualify Management 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 iQualify Management API and Quandl free for commercial use?

iQualify Management 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.