VATComply vs Yahoo Finance Chart
Same instrument, two spec sheets — measured, not claimed.
VATComply vs Yahoo Finance Chart: common questions
Which is more reliable, VATComply or Yahoo Finance Chart?
On our scheduled checks, Yahoo Finance Chart leads on measured uptime — VATComply 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 VATComply and Yahoo Finance Chart need an API key?
Neither needs a paid key — VATComply is callable with no signup, and Yahoo Finance Chart is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call VATComply and Yahoo Finance Chart from the browser?
Only VATComply 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 VATComply and Yahoo Finance Chart free for commercial use?
VATComply 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.