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.
In order to change your credit card information, you need to login to your account, look for man-looking icon, click it and the click on the Account link
Then look for the upgrade icon on the left and click on the Edit icon on the Payment Method
And then click on the Change Credit Card button to change your credit card information.
Please let us know if this helps.