GET /api/users/19/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "Staz",
    "gravatar": "//www.gravatar.com/avatar/19def78c661967a6cd8b6bc379b27ba1?d=wavatar",
    "has_key": false
}