curl --request PUT \
  --url https://your-instance.example.com/api/user/notification-preferences \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "notificationPreferences": {
    "aiResponses": true,
    "inboundInAutopilot": true,
    "automationTriggers": true,
    "emailSync": true,
    "escalations": true,
    "assignments": true,
    "calls": true,
    "campaigns": true,
    "other": true
  }
}
'

{}