Launched on 15/03/2018, BitMart is a centralized exchange based in the Cayman Islands. It also has four offices located in New York, China, Hong Kong, and Seoul. It supports spot trading, otc trading, and USD trading. Its mission is to drive the world towards a better financial system.
API Docs: https://developer-pro.bitmart.com/en/
Fee Structure: https://www.bitmart.com/fee/en