GET /api/users/121/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "Imotion",
    "gravatar": "//www.gravatar.com/avatar/33d2b5b1f3929fb8ca1c39c43806f0aa?d=wavatar",
    "has_key": false
}