Can I create a form to receive flexible payments with Jotform?

Thank you for contacting us. You can review the different Payment Processing Apps available to JotForm here https://apps.jotform.com/category/payment_processing

JotForm's payment forms are completely customizable, and payments are securely transacted.

You can also review further with our user guide: 

Mastering Payment Form Integrations with JotForm

Let us know if you require further assistance.