Hi Atin, Payment for our eBay Feedback Reminder solution is done through PayPal with a monthly subscription payment that you can cancel at any time. You can pay using your debit card by linking your debit card with your PayPal account, you can read here how to do that: https://support.3dsellers.com/qa/189/how-do-i-change-from-paypal-to-credit-card. -Tzipi.