Can I charge interest with a payment plan? You can effectively simulate the charging of interest by charging more for a payment plan than a one-time purchase. Here a product costs $100 as a one-time purchase: By charging $35 for 3 payments, charging interest has been simulated: Doc navigation← How do I enable automatic retry of failed recurring paymentsHow to set up coupons with payment plans? → Was this article helpful to you? Yes No How can we help? Name Email subject message