Retrieves information about users in the native realm and built-in users.
For more information about the native realm, see Realms and Native user authentication.
- 
username
- (Optional, string) An identifier for the user. You can specify multiple usernames as a comma-separated list. If you omit this parameter, the API retrieves information about all users.
A successful call returns an array of users with the JSON representation of the users. Note that user passwords are not included.
To retrieve a native user, submit a GET request to the /_security/user/<username>
endpoint:
GET /_security/user/jacknich
{
  "jacknich": {
    "username": "jacknich",
    "roles": [
      "admin", "other_role1"
    ],
    "full_name": "Jack Nicholson",
    "email": "jacknich@example.com",
    "metadata": { "intelligence" : 7 },
    "enabled": true
  }
}
Omit the username to retrieve all users:
GET /_security/user