API endpoint that allows users to be viewed or edited.

GET /api/users/4f901793-d386-47c4-abc8-1f4600d15b80/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/4f901793-d386-47c4-abc8-1f4600d15b80/?format=api",
    "username": "Henry_Z_NNUE"
}