curl --request GET \
  --url https://cloud.kaneo.app/api/config \
  --header 'Authorization: Bearer <token>'

{
  "disableRegistration": true,
  "isDemoMode": true,
  "hasSmtp": true,
  "hasGithubSignIn": true,
  "hasGoogleSignIn": true,
  "hasDiscordSignIn": true,
  "hasCustomOAuth": true,
  "hasGuestAccess": true
}