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CoinGecko vs Currencylayer

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

APICoinGeckoDEGRADED—CurrencylayerNEW—
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 — key may be required
Rate limit~30/min, tightens under loadUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

CoinGecko vs Currencylayer: common questions

Which is more reliable, CoinGecko or Currencylayer?

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

Both ask you to authenticate — CoinGecko uses an API key and Currencylayer 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 Currencylayer from the browser?

Neither sends browser-friendly CORS headers reliably, so call CoinGecko and Currencylayer 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 Currencylayer free for commercial use?

CoinGecko has unclear commercial terms, and Currencylayer 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.