When using Firmhouse Checkout there is a lot of flexibility in what fields you can show or not. And which fields should be optional and which fields should be required. This article explains how to require, show, or hide certain checkout fields.
Configuring Checkout fields
In your Firmhouse project, choose Checkout from the sidebar and click Preferences.
Scroll down to the section Customer fields.
For each field, select if you want to make the field required, optional, or hidden.
Special fields: additional email confirmation and billing address
There are two special field settings:
To require your customer to enter their email address again. For example to prevent typos and mistakes.
Give your customer the option to provide a separate billing address.