GET /api/users/120/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "ragnaren",
    "gravatar": "//www.gravatar.com/avatar/280a0c7aaa9d058d6726c8467f566bfb?d=wavatar",
    "has_key": false
}