See documentation at https://cf7-docs.payaddons.com/basics/contact-form-7-credit-card

Simple Credit Card Contact Form  7 For One-Time

This form can include a credit card form field to accept a one-time payment. In this form, we can specify the amount, quantity, customer name, email, etc. 

      Frequency

      Credit Card contact Form For Subscription

      This form can include a credit card form field to accept a subscription payment. In this form, we can specify the amount, quantity, customer name, email, and frequency, interval .