Exchangerate.host vs CoinGecko

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesno
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

Exchangerate.host vs CoinGecko: common questions

Which is more reliable, Exchangerate.host or CoinGecko?

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

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

Can I call Exchangerate.host and CoinGecko from the browser?

Only Exchangerate.host 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 Exchangerate.host and CoinGecko free for commercial use?

Exchangerate.host 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.