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 think your issue is related to your credit card and it authorization given from the bank. Could you please contact to the bank that provides the card service?
Also try using another credit card belonging to another bank. As you may know some bank blocks transactions if it is not suitable for their policy.
Please turn back to us after talking to the bank that provides the credit card associated with the issue.
Please have a look at this support answer from Stripe:
We are awaiting your response.