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.
I have checked and I did not find account with your email address. JotForm is online form builder. Using JotForm, you can create forms, integrate them to your site and receive responses by email. This guides can help you to create your first form:
Once you create your form you can get full source code of your from.
I did not understood second part of your question. Where you want to add new users and then to make payment? Please explain in more details what you are trying to achieve and we will be happy to assist you.
Feel free to contact us if you have any other questions.