- JotForm SupportEltonCrisAnswered on April 29, 2015 at 09:46 PM
That's definitely one of Jotform's basic feature. You can set any fields "Required", even the payment fields so users can't leave it blank or simply they need to pay first before the submissions goes through.
So after configuring the payment field, here's how to make it required.
And here are the payment tools available.