https://ftx.com/ - homepage
https://help.ftx.com/hc/en-us - documentation
https://help.ftx.com/hc/en-us/articles/360028807171-API-docs - API documentation
Requesting an API connection with FTX, really promising (derivative) exchange. From spot to futures to options to fun games (FTX Battle Arena) and a really impressive team behind it.