post https://t{tenantId}-s{siteId}.{env}.mozu.com/api/commerce/settings/cart/cartsettings
Creates new cart settings. If enabling the Handling Fee, note that doing so does not display handling fees as line items in your storefront's checkout page. Rather, it simply includes the cost of the handling fees in the total. To display handling fees as line items in the checkout page, ask your theme developer to make the necessary changes.