We manage billing per project through Stripe. You can go to your project from the projects page. Then, go to Settings -> Billing. You can also click here to see all of your projects billing.
You will be able to manage your billing details, cancel your subscription or reactivate it. If you'd like to pay via bank transfer, crypto or to manage multiple projects with a deposit or one subscription for all projects, please contact us.
You can also find it in the bottom right, on the secondary menu for your email/name.
Here is a video on where you can find the billing section: