Shopping Cart is a common use-case for online retail stores that allows customers to add products into a cart before a final check-out. This experience requires an orchestration logic that integrates with object store to persist data and Product API. It provides abstracted data via a single point of query. This RAML specification should serve as an API design best practice to abstract that complexity with a lightweight RESTful interface that could be reused by developers in other integrations projects.
This API implementation is one of many components included in Catalyst Accelerator for Retail. It provides organizations with connectivity assets that accelerate project delivery in retail, including pre-built API designs and implementations that support core retail business processes.
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You can reference a RAML file directly from the HTTP connector by following the steps listed here.