Go to Gate.io
Log in or create a new account on https://www.gate.io/.
Open account dashboard
Hover over the profile icon on the top right corner, then click on the API Management option:

Follow to API
Click «APIv4 Keys» on the left side menu and «+ Create New API Key»:

Select Permissions

Enter fund password and other security codes:

Your new API Key and Secret will be displayed
Add Gate.io to skyrex
Don’t change the key settings.
Check how to connect API to skyrex