Bubble runs no server-side code: mode A is impossible there, and we would rather say so than let you install a setup that does not work. A delegated subdomain does the same job — one CNAME record, and we handle the certificate.
Mode B — a delegated subdomain
Where : at your domain provider (Bubble does not host your DNS records)
One subdomain to declare, one line in your DNS. We handle the certificate and the rest; the app gives you the exact value to paste.
The click sets a first-party cookie on your domain. Your server can bind a customer id to it, and that is the level that survives a change of device.
Funds leave your own PayPal or Wise account, with the invoice. A transfer that comes back is caught and corrected on both sides.
$0, $49 or $99 a month. Never a percentage of your revenue, your commissions or your transfers.
Free until your first commission. No card asked for.