Coinpaprika Provides extensive data for free.
CoinAPI – Advertises itself as a "one-stop solutin market data provider for cryptocurrency markets."
CryptoCompare "The ultimate API solution."
CoinMarketCap Live price streaming, whitepaper search, charts snapshot and more.
Nomics Claims to be the best API for cryptocurrency market data.
Coinlayer Real-time cryptocurrency exchange reates
CoinGecko Advertises itself as "The world's most comprehensive cryptocurrency data API."
Cryptonator Exchange rates API.
BraveNewCoin Provides exchange-level, standardised raw data via a single websocket API, offering near real-time streaming of price and volume data from over 240 exchanges.
Coinigy Advertises itself as the "The All-In-One Cryptocurrency API."
Coinograph Provides real-time and historical cryptocurrency market data.
Kaiko Claims to be "the leading provider of institutional grade cryptocurrency market data."
Blockmarkets Advertises itself as providing "institutional-grade cryptocurrency market data to funds, investment professionals, and application developers."
Coinlib Simple API for fetching coin prices and global market data.
Coinscious Claims to be the "The Most Accurate Cryptocurrency Market Data API."
Coindar Provides an API for fetching events.
CoinCap Real-time pricing and market activity API.
BitDataset Provides cryptocurrency trade/quote/order book historical data.
Zloadr Paid plans provide due diligence scoring, real time news and historical data up to 5 years.
DataLight Extensive amount of coins, allows you to fetch it all in one HTTP request.
Delta Real-time pricing API.
Santiment 1200+ assets tracked, claims to have the "most accurate updates on daily crypto trends."
Predicoin Claims to provide sentiment data from over 100 news sources.
Bittsanalytics Claims it's "trusted by many hedge funds and individual clients" and to analyze millions of social media posts every day.
Mosaic.io Comprehensive cryptoasset coverage.
Decryptz Enterprise grade data, claims to provide the "highest caliber crypto sentiment data API in the industry."
CryptoQokka Market sentiment overview, price and sentiment charts, news with analysis, raw data and more.
Daneel Provides market news, trending news, volume news, hot news, global sentiment, market sentiment, gainers and losers and more.