curl --request POST \
  --url https://api.vambe.me/api/public/ticket/open/whatsapp/{phoneId} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '{
  "to_phone_number": 2,
  "contact_metadata": {},
  "ticket_metadata": {},
  "integration_data": {},
  "message": {
    "templateId": "<string>",
    "content": "<string>",
    "ai_generated": true
  },
  "stage_id": "<string>"
}'