CoinPaprika at https://api.coinpaprika.com/v1 serves prices, market caps, and details for thousands of cryptocurrencies. Coin ids look like btc-bitcoin.
None for the free tier, which has a monthly call limit.
Full reference: https://docs.coinpaprika.com/
curl https://api.coinpaprika.com/v1/tickers/btc-bitcoin
{
"id": "btc-bitcoin",
"name": "Bitcoin",
"symbol": "BTC",
"rank": 1,
"total_supply": 20088509,
"max_supply": 21000000,
"beta_value": 1.02761,
"first_data_at": "2010-07-17T00:00:00Z",
"last_updated": "2026-09-23T21:50:17Z",
"quotes": {
"USD": {
"price": 84445.41224781556,
"volume_24h": 31606230807.181503,
"volume_24h_change_24h": 0.38999998569488525,
"market_cap": 1696381663940,
"market_cap_change_24h": -1.9600000381469727,
"percent_change_15m": -0.029999999329447746,
"percent_change_30m": 0.10000000149011612,
"percent_change_1h": 0.28999999165534973,
"percent_change_6h": 0.7200000286102295,
"percent_change_12h": -1.6100000143051147,
"percent_change_24h": -1.9700000286102295,
"percent_change_7d": 11.609999656677246,
"percent_change_30d": 0,
"percent_change_1y": 0,
"ath_price": 126173.1777846797
}
}
}
curl https://api.coinpaprika.com/v1/global
{
"market_cap_usd": 2999996409935,
"volume_24h_usd": 206478702004,
"bitcoin_dominance_percentage": 56.57,
"cryptocurrencies_number": 12831,
"market_cap_ath_value": 4823580636226,
"market_cap_ath_date": "2025-10-05T10:10:00Z",
"volume_24h_ath_value": 2461621335224,
"volume_24h_ath_date": "2022-03-26T03:05:00Z",
"volume_24h_percent_from_ath": -91.61,
"volume_24h_percent_to_ath": 1092.19,
"market_cap_change_24h": -2.2,
"volume_24h_change_24h": 1.76,
"last_updated": 1790200165
}