The services are invoiced per company and the fee is based on the total number of payments made on your account. The minimum monthly fee is per account, not per store.
If you have less than 100 payments on both sites, only the minimum monthly fee will be applied, or if you have 90 payments on one site and 0 on the other, then only the minimum monthly fee will be applied. - This applies if you use only Bank payments(Payment Initiation)
If you have additional questions and need our help, feel free to contact our support team via the chat in the bottom right corner.