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CoinGecko vs Financial Data

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

APICoinGeckoDEGRADED—Financial DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseProprietary — attribution requiredUnverified
Free tier10k calls/mo demo key, no cardFree tier — API key required
Rate limit~30/min, tightens under loadUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

CoinGecko vs Financial Data: common questions

Which is more reliable, CoinGecko or Financial Data?

On our scheduled checks, Financial Data leads on measured uptime — CoinGecko at —% versus Financial Data 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 CoinGecko and Financial Data need an API key?

Both ask you to authenticate — CoinGecko uses an API key and Financial Data uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call CoinGecko and Financial Data from the browser?

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

Are CoinGecko and Financial Data free for commercial use?

CoinGecko has unclear commercial terms, and Financial Data 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.