User interface for checkout

Questions
1

Is there any way to see the user interface or add a custom input for checkout?

2

:wave: What Square checkout flow are your looking to customize? Is this with the Checkout API?

3

Yes, the Checkout API. I need to add an input for coupon code

4

Unfortunately, the ability to customize the UI and add an additional input field for a coupon isn’t currently available with the Checkout API.