What is the simplest method for a platform to charge sellers a service subscription fee?

The simplest method for a platform to charge sellers a service subscription fee is account debits. This method involves directly charging a seller's account on a recurring basis, which streamlines the payment process. With account debits, the platform can set up automatic payments, ensuring that subscription fees are collected consistently and on time without requiring action from the sellers each billing cycle.

This approach is particularly effective for subscription services where predictable, recurring transactions are key. By automating the payment collection through debits, platforms reduce administrative overhead and minimize the risk of missed payments. It also enhances the user experience by providing sellers with a seamless payment process, as they do not need to manually initiate each transaction.

Other methods, like credit card processing, invoicing, and PayPal transactions, may involve additional steps or require seller interaction to authorize payments each time a fee is due. This can complicate the payment process, making account debits a more efficient choice for collecting subscription fees.