Charging a Customer in automation depends upon the Payment Gateway. In Pabbly Subscription Billing, recurring is managed in automation in a way where the payable invoice is being sent to the customer & for some, the charge also gets auto deducted based on the billing cycle.
Like, for stripe gateway the recurring in the software are being managed in automation i.e. invoice is sent & the charge is deducted automatically without any manual intervention. But in the case of custom gateway's other than the integrated ones the payable invoice is sent to the customer for completing the payment manually. For more info, please follow this link -
https://www.pabbly.com/subscriptions/docs/custom-payment-gateway/
Apart from this, there are more than 20+ integrated payment gateways that can be used for payment collection in Pabbly Subscription Billing. Below is the list of supported gateways -
For more info, please visit -
https://www.pabbly.com/subscriptions/