The Rock Trading
https://www.therocktrading.com/en not sure how to get the api documentation but I will try to get it from the support team
Website: https://coinswitch.co/ API Documentation: https://developer.coinswitch.co/ About: "CoinSwitch is a cryptocurrency exchange aggregator platform built to help users trade cryptocurrencies with ease and at the best rates. Our user interface simplifies the cryptocurrency trading and allows users to trade over 400+ cryptocurrencies, along with an ability to buy cryptocurrency with a credit card at the best price."
- Website: https://www.etherflyer.com , - API: https://github.com/EtherFlyer/api_etherflyer_com