Open your web developer tools and keep an eye on both the console log and the Network tab.

Requests handled by handleUsers() action method (route: localhost/api/users/)

Requests handled by handleSingleUser() action method (route: localhost/api/users/:id)



Request Body (for POST and PUT requests):

Make sure to test the password changes. If you send an empty string for the password, then it should be changed in the database. If you send a new password (not an empty string), then you should see a new salt and new password in the database.