Promotions allow you to provide discounts to customers. By defining a Promotion and a code, you put in place the facility to offer discounts to customers applied directly to their shopping carts.
Custom carts allow you to process an order for any type of item you wish to sell. The item does not need to exists in Moltin, which means custom cart items can be used for all sort of use cases.
This guide will walk you briefly through the entire checkout workflow, outlining the checkout process that happens under Moltin's hood, and explaining at which point a product turns into an order and...
This is a generic overview of how Moltin carts work.