I would like to modify my Google Chrome extension so that it hides an information line and integrate a license and confirmation system -- 2

It is an extension which allows you to generate comments for social networks. It is connected to the open ai api, and I would like to hide the part which allows you to put your private key in order to put my private key and provide a everything provides to the customer,

I would like to integrate my system that allows you to add a code that allows you to have access to the tools after purchase