GET /api/users/409/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "F2Ville",
    "gravatar": "//www.gravatar.com/avatar/a14b017ed32bceec4722b0d9828d3551?d=wavatar",
    "has_key": true
}