How to create an API collection

To add a request, perform the following: 

1. Create a project named 'User Actions'. 
2. In the Main Canvas, right-click the 'More Menu' in the left pane on the 'User Actions'.
   
   
3. 'Add Request Name' pop-up window appears. Enter the appropriate name and click Submit.
   
4. Similarly, create request names for updating and deleting a user.

To add API details, such as URL and Request Body, perform the following:

1. Click the arrow corresponding to the User Actions to view the list of added API names.
2. Select 'Create a User' from User Actions folder in the left pane.
3. In the Main Screen, select API type, enter appropriate URL and Request Body. 
4. Click Save and then Send to execute the request to see the details as shown in the following screenshot:
   
   

For details on response codes, click here.