[Checkout Branding API] Initial release of header and footer style customizations

API

As of version 2024-04 of the Admin API, you can use the checkoutBrandingUpsert mutation to configure styling for the header and footer of your checkout.

With this change, header and footer sections can now be customized with color and spacing controls.

You can learn more about customizable header and footer in the GraphQL Admin API docs.

The new customizable fields are colorScheme and padding.