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Helium vs CoinGecko

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

APIHeliumNEW—CoinGeckoDEGRADED—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedProprietary — attribution required
Free tierFirst 50 queries per IP free, no key (paid API key beyond, ~$0.02/query)10k calls/mo demo key, no card
Rate limit50 free queries per IP subnet~30/min, tightens under load
In directory since2026-07-052026-05-02
operationalpartialdownno data

Helium vs CoinGecko: common questions

Which is more reliable, Helium or CoinGecko?

On our scheduled checks, CoinGecko leads on measured uptime — Helium 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 Helium and CoinGecko need an API key?

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

Can I call Helium and CoinGecko from the browser?

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

Helium 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.