This API Will return all users for an app, if you want to get all users of an org you can refer to Link.
Query Parameters
page (optional, number)
Specifies the page number to retrieve. Use this parameter to paginate through large sets of organizations. Defaults to 0 if not provided.
Example: ?page=2
- metadata.total: The total number of users available (Currently it shows the total records on the page).
- users: A list of users objects, with details of the user