eu quero confirma um pagamento como faço

I am sorry but I do not understand your question. Please provide us more details about your issue. 

I checked and you have a Free account with a blank form that was created today, so I think that your question is related to the form you submitted - https://www.jotformz.com/form/61613321730646.

Please note that JotForm is an online Form Builder -  https://www.jotform.com/faq 

The form you submitted was created by one of our users. If you have any questions related to your submission, you need to contact the owner of that form. You can to that by replying to the email you received when you submitted the form.