Public REST API for Bitcoin fee data, market context, and the UTXO cost model. No authentication required.
Current Bitcoin market data snapshot. Updated daily.
{
"btc_price": 63853,
"fees": { "fastestFee": 4, "economyFee": 2 },
"mempool": { "unconfirmed_tx": 107649 },
"block_height": 960009,
"hash_rate": 803200288612,
"difficulty": 126231507121868
}
14-day rolling fee history with BTC price and mempool size per day. Array of daily snapshots.
3-day fee forecast from linear regression on historical data. Trend direction (rising/falling/stable).
Active alerts for high fees, low fees, and fee spikes. Empty array if all nominal.
CSV export of fee history for analysis in spreadsheets. Columns: date, fastestFee, halfHourFee, hourFee, economyFee, btc_price, mempool_tx.
Public endpoints: no rate limit currently. If you need higher throughput, open an issue.
curl https://bitcoinsahi.com/tools/live_data.json
import requests, json
data = requests.get('https://bitcoinsahi.com/tools/live_data.json').json()
print(f"Fastest fee: {data['fees']['fastestFee']} sat/vB")
const data = await fetch('https://bitcoinsahi.com/tools/live_data.json').then(r => r.json());
console.log(`BTC: $${data.btc_price}`);
API v1 — Bitcoin Sahi. Data refreshes daily. back to bitcoinsahi.com →