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

{
    "username": "Louki",
    "gravatar": "//www.gravatar.com/avatar/8faae758b567c459b5d2bbaaaecd3c10?d=wavatar",
    "has_key": false
}