Magento 2 Payment Charge By Cynoinfotech
https://www.cynoinfotech.com/product/payment-charge-magento-2-extension/
Magento 2 payment charge refers to an additional fee or surcharge applied to a customer's order specifically when they choose a particular payment method during the checkout process. This charge allows merchants to pass on any additional costs or transaction fees associated with that payment method to the customer. It can be a fixed amount or a percentage of the order total and is displayed to the customer for transparency during checkout. The purpose of Magento 2 payment charge is to cover expenses and provide customers with clarity regarding any extra fees related to their selected payment method.