GET /api/users/155/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "username": "yellowfrog",
    "gravatar": "//www.gravatar.com/avatar/096eb0c5a8e658b40a2dca3c19af61c4?d=wavatar",
    "has_key": false
}