Coinlayer
Coinlayer — free tier with API key
Coinlayer exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.
GET https://api.coinlayer.com/live
{
"success": false,
"error": {
"code": 101,
"type": "missing_access_key",
"info": "You have not supplied an API Access Key. [Required format: access_key=YOUR_ACCESS_KEY]"
}
}curl "https://api.coinlayer.com/live"const res = await fetch("https://api.coinlayer.com/live");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.coinlayer.com/live")
print(res.json())/livePROBEDCoinlayer — free tier with API key
/live?limit=5Paginated variant with limit parameter.
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.
Coinlayer: common questions
Is Coinlayer free to use?
Yes — Coinlayer is a free crypto & web3 API. Free tier: Free tier — key may be required. Whether the free tier allows commercial use is unclear — check the provider docs.
Does Coinlayer need an API key?
Yes — Coinlayer needs a free API key, which you pass on each request. Rate limits: Unpublished.
Can I call Coinlayer from the browser?
Yes — Coinlayer returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.
Is Coinlayer up right now?
As of our last scheduled check, Coinlayer is healthy with 99.02% uptime over 90 days and a 467 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.