You can POST to /api/exercise/new-user with form data username to create a new user. The returned response will be an object with username and _id properties.

You can make a GET request to api/exercise/users to get an array of all users. Each element in the array is an object containing a user's username and _id.

You can POST to /api/exercise/add with form data userId=_id, description, duration, and optionally date. If no date is supplied, the current date will be used. The response returned will be the user object with the exercise fields added.

You can make a GET request to /api/exercise/log with a parameter of userId=_id to retrieve a full exercise log of any user. The returned response will be the user object with a log array of all the exercises added. Each log item has the description, duration, and date properties.

A request to a user's log (/api/exercise/log) returns an object with a count property representing the number of exercises returned.

You can add from, to and limit parameters to a /api/exercise/log request to retrieve part of the log of any user. from and to are dates in yyyy-mm-dd format. limit is an integer of how many logs to send back.