How do I add a link to my payment account on my form?

How do I add a link to my payment account on my form?

If you want to link your payment account, you will have to use payment tools in the Payments tab e.g. Paypal (see image below). If it's a Paypal payment account that you want to integrate in your form, here's a guide: https://www.jotform.com/help/391-How-to-Integrate-Form-with-Paypal

If you're using a different payment gateway and it is available in the Payments tab, you can find the guides here https://www.jotform.com/help/chapter-7-Payment+Forms.