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.
How to integrate "other amount" (to donate) in PayPal paymentAsked by gncjlim on April 13, 2015 at 02:42 PM
I did the paypal integration for the custom amount ($25...) but there is no way to integrate the last choice "other amount" which will allow our customer to input the donation not in the list of donation amount.
You can do that by passing the default and custom value to it.
To see how to do that, please take a look at the following guide: How to pass a calculation to a payment field
Of course, if you have any questions, do let us know about them and we would be happy to assist with them.