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 believe you can directly add your credit card in your own PayPal account and you will not have to make any additional changes.
If you want to change the payment method in JotForm, you will have to cancel your PayPal subscription and upgrade your account again with your new credit card details.
Once your cancel your PayPal subscription, please click on the following URL to upgrade your account again with credit card:
Hope this helps.
Do get back to us if you have any question.
You have to cancel your subscription through your own paypal account. Here are the steps to cancel your subscription :
1. Log in to your PayPal account
2. Find the latest payment you have made to JotForm
3. Click on the subscription number for that transaction
4. Click on the "Cancel Subscription" button.
You may also like to check the following guide : https://www.paypalobjects.com/en_US/ebook/subscriptions/cancellations.html