GET /api/users/345/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "shnsengi",
    "gravatar": "//www.gravatar.com/avatar/244e3c3c15c94e9b7d98614bb1f9339b?d=wavatar",
    "has_key": false
}