Can you let me know if you have a option for a basket so when I build a form I can link it to my payment gateway

If you want to have a payment field inside of your form you have to use one of our payment integrations. You can find available payment integrations inside of this guide:

Mastering Payment Form Integrations with JotForm

We do not have shopping carts, but you have multiple products on your order forms and users can choose from those options using checkboxes. 

Setting Up Your First Order Form

If you are using a payment gateway that we do not support, you can use our Webhook and Create a PHP file that would allow you to pass the data from your form to your own payment gateway.

How to Setup a Webhook with JotForm