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.
There are couple of Payment tools you can use and setup in test mode only.
If you used Stripe payment tool there is also an available test account which you can see during the configuration setup.
Hope this help. Let us know if you need further assistance.