CoinAPI

All Currency Exchanges integrate under a single api

Official docs outline

Extra Credit builds an outline of CoinAPI's docs the first time your work uses it. Until then, start at the official documentation.

blockfrost Cardano Interaction with the Cardano mainnet and several testnets
Brave NewCoin Real-time and historic crypto data from more than 200+ exchanges
BTCGlobe Bitcoin height, fees, mempool and peer data served live from two self-hosted nodes
btcnode.uk Bitcoin blockchain data, fees, mempool, SEC insider trades, Reddit sentiment. x402 micropayments for paid endpoints.
BtcTurk Real-time cryptocurrency data, graphs and API that allows buy&sell
Bybit Cryptocurrency data feed and algorithmic trading
Coinbase Pro Cryptocurrency Trading Platform
CoinCap Real time Cryptocurrency prices through a RESTful API
CoinDCX Cryptocurrency Trading Platform
CoinGecko Cryptocurrency Price, Market, and Developer/Social Data
Coinigy Interacting with Coinigy Accounts and Exchange Directly
Coinlayer Real-time Crypto Currency Exchange Rates