Asking for payment, e.g. $3/month for a small service, but hiding company details. E.g. in which country the website is operating. Online (e.g. Stripe) payments

Asking for payment, e.g. $3/month for a small service, but hiding company details. E.g. in which country the website is operating. Online (e.g. Stripe) payments are simple but I need to know whom I create a contract with.