Making HTTP POST requests with Postman

Now, we will use the Builder tab in Postman to compose and send an HTTP POST request to create a new toy. Perform the following steps:

1. Click on the plus (+) button on the right-hand side of the tab that displayed the previous request. This way, you will create a new tab.
2. Select Request in the New drop-down menu located in the upper-left corner.
3. Select POST in the drop-down menu on the left-hand side of the Enter request URL textbox.
4. Enter localhost:8000/toys/ in that textbox on the right-hand side of the drop-down menu.

5. Click Body on the right-hand side of Authorization and Headers, within the panel that composes the request.
6. Activate the raw radio button and select JSON (application/json) in the drop-down menu on the right-hand side of the binary radio button. Postman will automatically add a Content-type = application/json header, and therefore, you will notice the Headers tab will be renamed to Headers (1), indicating to us that there is one key-value...