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.
Unfortunately, will not possible to update the payment info, once the form has been submitted and the product paid then data is saved as is sent.
You will need to request your user to submit the form again so you will get the correct payment info.
Please do let us know if you have questions, we will be glad to help.