curl --request GET \
  --url https://gogs.example.com/api/v1/users/{username} \
  --header 'Authorization: <api-key>'

{
  "id": 123,
  "username": "<string>",
  "login": "<string>",
  "full_name": "<string>",
  "email": "[email protected]",
  "avatar_url": "<string>"
}