CoinAPI is a platform which provides fast, reliable and unified data APIs to cryptocurrency markets. all cryptocurrency exchanges integrated under a single API. Register for free tools & API access. GLOBAL BITCOIN PRICE INDEX (GBX) - Bitcoin (BTC) to United States Dollar (USD) CURRENCY WEIGHTING. Access the CryptoCompare free cryptocurrency market data API and join leading price based on hourly vwap and total daily and hourly exchange volume. Real-time data from: UTC. The group parameter is used for accessing different data from order book. You are not required to start with 1. Check your account balance for details. See more Required, but never shown. Log In. Please note that you do not need to set key, signature and nonce request parameters using this authentication method. The balance from which you wish to withdraw. You could do that mathematically but you will need bitcoin price. Transfers the desired balance from your Main Account to a Sub Account, specified by the subAccount parameter. Any query parameters or empty string. Or is there another way to exchange USD to Crypto programmatically? I spent a long time looking for data providers before eventually deciding to build our own infrastructure, but CoinAPI has completely replaced our historical data warehousing as the scope and ease of integration are both fantastic.