What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
If I understood you correctly you want to add payment option to your Jotform form. With Jotform there is possibility to use several different payment types. You can use one of the following options:
To find out more how to add payment option to your form please read following articles:
If you want to use Paypal please read this article:
One more note - on link you have provided I can not find JotForm form.
Hope this will help. Let us know if you need further assistance.