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Coinlayer vs Etherscan

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

APICoinlayerNEW—EtherscanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinlayer vs Etherscan: common questions

Which is more reliable, Coinlayer or Etherscan?

On our scheduled checks, Etherscan leads on measured uptime — Coinlayer at —% versus Etherscan 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 Coinlayer and Etherscan need an API key?

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

Can I call Coinlayer and Etherscan from the browser?

Yes — both Coinlayer and Etherscan send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Coinlayer and Etherscan free for commercial use?

Coinlayer has unclear commercial terms, and Etherscan 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.