How do I set up the payment portal for my customers?

How do I set up the payment portal for my customers? 

You may setup a JotForm for collecting payments online. You can integrate one of the payment integrations to your form to receive the payments. Please see the guides below that can help you with this.

https://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form

https://www.jotform.com/help/323-Mastering-Payment-Form-Integrations-with-JotForm

Please get back to us if you need any further assistance. We will be happy to help.