JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
The only methods to accept credit card payments on to your form is by adding the payment gateway services which allows the receiving of credit card payments.
Most payment gateway services can handle receiving of credit card payments. Some allows this while on the form while others will make the form user be redirected to the payment gateway website in order to enter credit card information and be redirected back to your thank you page.
You can further check on this guide for more information on the basics of making order forms or forms that can receive payments: https://www.jotform.com/help/47-Order-Form-Basics and overall, this chapter of the user guide: https://www.jotform.com/help/chapter-7-Payment+Forms
Feel free to let us know if you have further questions or if you need assistance.