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CoinGecko vs ExchangeRate-API (open)

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

APICoinGeckoDEGRADED—ExchangeRate-API (open)NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseProprietary — attribution requiredUnverified
Free tier10k calls/mo demo key, no cardFree — limits not published
Rate limit~30/min, tightens under loadUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

CoinGecko vs ExchangeRate-API (open): common questions

Which is more reliable, CoinGecko or ExchangeRate-API (open)?

On our scheduled checks, ExchangeRate-API (open) leads on measured uptime — CoinGecko at —% versus ExchangeRate-API (open) 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 ExchangeRate-API (open) need an API key?

ExchangeRate-API (open) needs no key, while CoinGecko requires a free API key. If you want to start calling without signup, reach for ExchangeRate-API (open) first.

Can I call CoinGecko and ExchangeRate-API (open) from the browser?

Only ExchangeRate-API (open) is browser-friendly — it returns CORS headers over HTTPS. CoinGecko needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are CoinGecko and ExchangeRate-API (open) free for commercial use?

CoinGecko has unclear commercial terms, and ExchangeRate-API (open) 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.