GET /api/users/223/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "Pharma",
    "gravatar": "//www.gravatar.com/avatar/3cd8c7149ac5664b9f7eab105ce40ce6?d=wavatar",
    "has_key": false
}