As the crypto space becomes more widely adopted, more tools will need to be developed to make things easier on users. I thought it may be helpful to outline a few I’ve come across, with a few descriptions and examples. Please let me know if there are others you prefer and I can add them to the list.
https://www.cryptocompare.com/api
The best API for getting cryptocurrency pricing, OHLC and volume data from multiple exchanges.
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https://github.com/lionsharecapital/lionshare-api
API that powers Lionshare by providing both historical (REST) and realtime time (websocket) cryptocurrency market data. The data is sourced from GDAX, Poloniex, and Coinmarketcap.
https://coinmarketcap.com/api/
API provided by CoinMarketCap
https://www.cryptonator.com/api
Cryptonator provides unique volume of cryptocurrency exchange rates data, which is delivered in easy-to-integrate JSON format via simple HTTPS requests. Prices are updated every 30 seconds, covering 300+ cryptocurrencies across 58 exchanges.
https://www.coinigy.com/bitcoin-api/
The all-in-one digital currency API. Live streaming bitcoin market & blockchain data
You need an API key to make the requests, but they have a great console on their docs to test out the calls.
https://developers.coinbase.com/
Our API makes it easy to integrate bitcoin, litecoin and ethereum into both new and existing applications. Coinbase’s APIs enable a variety of capabilities; from simply gathering read-only data, to building something that’s never been done before.
You need an API key to make the requests, but they have great docs to test out the calls.