REST API in action

Let's try out our API by making a simple HTTP request.  We will start with creating API requests and then confirm that the resources are created correctly by fetching the newly created resource. We will also test, update, delete, and clear the database to make sure it works as expected. Let's see it in action.

Creating the Shopping List

Creating a ShoppingList using the API is simple: make a POST HTTP request with the JSON representation of our Shopping List object so that it can create a new instance of it and save it in the database. The following is a screenshot of the POST HTTP request made to my local API server using an app called Postman:

You should see the server respond back with...