Signaliz vs Yahoo Finance Chart

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

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

Signaliz vs Yahoo Finance Chart: common questions

Which is more reliable, Signaliz or Yahoo Finance Chart?

On our scheduled checks, Yahoo Finance Chart leads on measured uptime — Signaliz at —% versus Yahoo Finance Chart 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 Signaliz and Yahoo Finance Chart need an API key?

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

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

Only Signaliz 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 Signaliz and Yahoo Finance Chart free for commercial use?

Signaliz 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.