Blockchair
Bitcoin blockchain statistics
Blockchair exposes chain stats, blocks and transactions. The /bitcoin/stats route returns network metrics as JSON; higher limits with a free API key.
GET https://api.blockchair.com/bitcoin/stats
{
"data": {
"blocks": 956808,
"transactions": 1391245144,
"outputs": 3814164909,
"circulation": 2005249604497096,
"blocks_24h": 135,
"transactions_24h": 665030,
"difficulty": 133869853540305.4,
"volume_24h": 52850750491706
},
"context": {
"code": 200,
"source": "A",
"state": 956807,
"market_price_usd": 62584,
"cache": {
"live": false,
"duration": "Ignore",
"since": "2026-07-05 16:55:10",
"until": "2026-07-05 16:56:21",
"time": 0.0000019073486328125
},
"api": {
"version": "2.0.95-ie",
"last_major_update": "2022-11-07 02:00:00",
"next_major_update": "2023-11-12 02:00:00",
"documentation": "https://blockchair.com/api/docs",
"notice": "Try out our new API v.3: https://3xpl.com/data"
},
"servers": "API4,BTC5",
"time": 0.8349261283874512
}
}curl "https://api.blockchair.com/bitcoin/stats"const res = await fetch("https://api.blockchair.com/bitcoin/stats");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.blockchair.com/bitcoin/stats")
print(res.json())/bitcoin/statsPROBEDBitcoin blockchain statistics
/bitcoinBitcoin — documented GET route.
/bitcoin/1Bitcoin details by ID (example: 1).
/bitcoin?limit=10Bitcoin — documented GET route.
/bitcoin/search?q=testSearch by query parameters.
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.
Blockchair: common questions
Is Blockchair free to use?
Yes — Blockchair is a free crypto & web3 API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.
Does Blockchair need an API key?
No — Blockchair needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).
Can I call Blockchair from the browser?
Yes — Blockchair 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 Blockchair up right now?
As of our last scheduled check, Blockchair is healthy with 98.0% uptime over 90 days and a 729 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.