API Specification

Create a new user in response to a valid POST request at /user,

Update a user in response to a valid PUT request at /user/{id},

Delete a user in response to a valid DELETE request at /user/{id},

Fetch a user in response to a valid GET request at /user/{id}, and

Fetch a list of users in response to a valid GET request at /users.

The {id} will determine which user the request will work with.