Finnhub vs Yahoo Finance Chart

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms8989
P95 · ms344370
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

Finnhub vs Yahoo Finance Chart: common questions

Which is more reliable, Finnhub or Yahoo Finance Chart?

Both are neck-and-neck — Finnhub and Yahoo Finance Chart each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Finnhub or Yahoo Finance Chart?

They're evenly matched on speed — both Finnhub and Yahoo Finance Chart post a 89 ms median (P50) in our checks. Look at the P95 row above if worst-case latency matters more than the typical response for your use case.

Do Finnhub and Yahoo Finance Chart need an API key?

Yahoo Finance Chart needs no key, while Finnhub requires a free API key. If you want to start calling without signup, reach for Yahoo Finance Chart first.

Can I call Finnhub and Yahoo Finance Chart from the browser?

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

Are Finnhub and Yahoo Finance Chart free for commercial use?

Finnhub has unclear commercial terms, and Yahoo Finance Chart 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.