What do I need to accept payment?

I presume what you would like to do is create a form that will ask or accept payment from your users?

If so, you can do that by integrating our payment tools in your form, you can create a payment or order form by following this guide: https://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form 

To learn more about our list of payment integrations, you can also check this link: https://www.jotform.com/help/323-Mastering-Payment-Form-Integrations-with-JotForm 

Let us know if you need more information this.