GET /api/users/111/
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "Infected",
    "gravatar": "//www.gravatar.com/avatar/149211b9806abd35e624b78f0c4c71c9?d=wavatar",
    "has_key": false
}