Blockchain.com's data API serves Bitcoin prices, blocks, transactions, and address balances.
None — no key, no signup. Every example runs as-is.
Full reference: https://www.blockchain.com/explorer/api
curl https://blockchain.info/ticker{
"ARS": {
"15m": 127857917.14,
"last": 127857917.14,
"buy": 127857917.14,
"sell": 127857917.14,
"symbol": "ARS"
},
"AUD": {
"15m": 119738.52,
"last": 119738.52,
"buy": 119738.52,
"sell": 119738.52,
"symbol": "AUD"
},
"BRL": {
"15m": 436084.94,
"last": 436084.94,
"buy": 436084.94,
"sell": 436084.94,
"symbol": "BRL"
},
"CAD": {
"15m": 118988.54,
"last": 118988.54,
"buy": 118988.54,
"sell": 118988.54,
"symbol": "CAD"
},
"CHF": {
"15m": 69600.73,
"last": 69600.73,
"buy": 69600.73,
"sell": 69600.73,
"symbol": "CHF"
},
"CLP": {
"15m": 81117473.9,
"last": 81117473.9,
"buy": 81117473.9,
"sell": 81117473.9,
"symbol": "CLP"
},
"CNY": {
"15m": 566154.54,
"last": 566154.54,
"buy": 566154.54,
"sell": 566154.54,
"symbol": "CNY"
},
"CZK": {
"15m": 1809653.98,
"last": 1809653.98,
"buy": 1809653.98,
"sell": 1809653.98,
"symbol": "CZK"
},
"DKK": {
"15m": 554176.8,
"last": 554176.8,
"buy": 554176.8,
"sell": 554176.8,
"symbol": "DKK"
},
"EUR": {
"15m": 74124.06,
"last": 74124.06,
"buy": 74124.06,
"sell": 74124.06,
"symbol": "EUR"
},
"GBP": {
"15m": 63703.23,
"last": 63703.23,
"buy": 63703.23,
"sell": 63703.23,
"symbol": "GBP"
},
"GHS": {
"15m": 1014572.57,
"last": 1014572.57,
"buy": 1014572.57,
"sell": 1014572.57,
"symbol": "GHS"
},
"HKD": {
"15m": 661682.05,
"last": 661682.05,
"buy": 661682.05,
"sell": 661682.05,
"symbol": "HKD"
},
"HRK": {
"15m": 389134.43,
"last": 389134.43,
"buy": 389134.43,
"sell": 389134.43,
"symbol": "HRK"
},
"HUF": {
"15m": 27074627.73,
"last": 27074627.73,
"buy": 27074627.73,
"sell": 27074627.73,
"symbol": "HUF"
}
}The first Bitcoin address, from the genesis block.
curl "https://blockchain.info/rawaddr/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa?limit=1"{
"hash160": "62e907b15cbf27d5425399ebf6f0fb50ebb88f18",
"address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa",
"n_tx": 66583,
"n_unredeemed": 79681,
"total_received": 10748570114,
"total_sent": 0,
"final_balance": 10748570114,
"txs": [
{
"hash": "72e3157ffd71047b4b3ad53c7e5569deebdb3a9311299bbe0e9716dcc96183ad",
"ver": 2,
"vin_sz": 1,
"vout_sz": 6,
"size": 412,
"weight": 1444,
"fee": 73,
"relayed_by": "0.0.0.0",
"lock_time": 0,
"tx_index": 6104953374081746,
"double_spend": false,
"time": 1789891563,
"block_index": null,
"block_height": null,
"inputs": [
{
"sequence": 4294967293,
"witness": "0140ee138ca1efd15ef3300f90f95437f23df0c87c09b230ed3d0f8770f55bd87805c0fa45d66cb0d048d6d4fd8702688647aafef922956930e212535a97b9370e6a",
"script": "",
"index": 0
}
]
}
]
}curl https://api.blockchain.info/stats{
"timestamp": 1790198180000,
"market_price_usd": 84449.92,
"hash_rate": 884318248799.5486,
"total_fees_btc": -41875000000,
"n_btc_mined": 41875000000,
"n_tx": 607299,
"n_blocks_mined": 134,
"minutes_between_blocks": 10.2632,
"totalbc": 2008850000000000,
"n_blocks_total": 968320,
"estimated_transaction_volume_usd": 11065775595.771292,
"blocks_size": 209173195,
"miners_revenue_usd": 0,
"nextretarget": 969695,
"difficulty": 132757073449487
}