I have no idea what mental gymnastics they pulled, but off the cuff: if a company is a person, and the company is abusing my api, I feel like I have grounds to

I have no idea what mental gymnastics they pulled, but off the cuff: if a company is a person, and the company is abusing my api, I feel like I have grounds to remove them from my platform or at least demonetize them. They are breaking the terms of service to which they agreed.