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 did check your form and found that you are using "Paypal" payment tool which will redirect users to PayPal checkout page where user can pay through their PayPal account or credit card. Please check the screenshot below:
Alternatively, you can add "PayPal Pro" payment tool which will allow users to input their credit card number in form itself without being redirected to PayPal page. Please check the screenshot below:
Hope this helps.
Do get back to us if you have any questions.