The CoinMarketCap Public API is a limited set of 4 endpoints that is RESTful JSON services that is provided as a free service for personal and academic use. This includes services for; Global Data, Ticker, Specific Currency and Listings. This API will be taken offline on December 4th, 2018. Please refer to the CoinMarketCap Professional API for future options. CoinMarketCap is cryptocurrency market cap rankings, charts, and more.