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Quandl vs The Odds API

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

APIQuandlNEW—The Odds APIREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Quandl vs The Odds API: common questions

Which is more reliable, Quandl or The Odds API?

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

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

Can I call Quandl and The Odds API from the browser?

Only The Odds 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 Quandl and The Odds API free for commercial use?

Quandl has unclear commercial terms, and The Odds 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.