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Coinnect vs Finnhub

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

APICoinnectNEW—FinnhubREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinnect vs Finnhub: common questions

Which is more reliable, Coinnect or Finnhub?

On our scheduled checks, Finnhub leads on measured uptime — Coinnect at —% versus Finnhub 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 Coinnect and Finnhub need an API key?

Both ask you to authenticate — Coinnect uses an API key and Finnhub uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Coinnect and Finnhub from the browser?

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

Are Coinnect and Finnhub free for commercial use?

Coinnect has unclear commercial terms, and Finnhub 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.