Go to Huobi Global
Log in or create a new account on https://www.huobi.com/.
Follow to API
Hover over the profile icon on the top right corner, then click "API Management":
Name your key
When you have multiple APIs, a proper name helps to manage it:
Enable "Trade" permission and click "Create"
Note: please don't add addresses into the IP Whitelist field. Learn more here.