FinFeedAPI vs Yahoo Finance Chart
Same instrument, two spec sheets — measured, not claimed.
FinFeedAPI vs Yahoo Finance Chart: common questions
Which is more reliable, FinFeedAPI or Yahoo Finance Chart?
On our scheduled checks, Yahoo Finance Chart leads on measured uptime — FinFeedAPI 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 FinFeedAPI and Yahoo Finance Chart need an API key?
Yahoo Finance Chart needs no key, while FinFeedAPI requires a free API key. If you want to start calling without signup, reach for Yahoo Finance Chart first.
Can I call FinFeedAPI and Yahoo Finance Chart from the browser?
Neither sends browser-friendly CORS headers reliably, so call FinFeedAPI and Yahoo Finance Chart from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are FinFeedAPI and Yahoo Finance Chart free for commercial use?
FinFeedAPI 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.