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Yahoo Finance Chart vs CoinGecko

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

APIYahoo Finance ChartUNMONITORED—CoinGeckoDEGRADED—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedProprietary — attribution required
Free tierFree — limits not published10k calls/mo demo key, no card
Rate limitUnpublished~30/min, tightens under load
In directory since2026-07-052026-05-02
operationalpartialdownno data

Yahoo Finance Chart vs CoinGecko: common questions

Which is more reliable, Yahoo Finance Chart or CoinGecko?

Only CoinGecko is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Yahoo Finance Chart and CoinGecko need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call Yahoo Finance Chart and CoinGecko from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Yahoo Finance Chart and CoinGecko free for commercial use?

Yahoo Finance Chart has unclear commercial terms, and CoinGecko 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.