Coinlayer vs Etherscan
Same instrument, two spec sheets — measured, not claimed.
Coinlayer vs Etherscan: common questions
Which is more reliable, Coinlayer or Etherscan?
Both are neck-and-neck — Coinlayer and Etherscan each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Coinlayer or Etherscan?
Coinlayer has the lower median latency in our checks — Coinlayer responds in 467 ms versus Etherscan at 660 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
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.