curl --request PATCH \
  --url https://api.kapso.ai/platform/v1/whatsapp/conversations/{conversation_id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '{
  "whatsapp_conversation": {
    "status": "ended"
  }
}'

{
  "data": {
    "id": "c63ced48-1283-4d55-8c8d-930f525aa0e5",
    "phone_number": "14155550123",
    "status": "ended",
    "last_active_at": "2025-07-16T09:45:00Z",
    "created_at": "2025-06-01T12:00:00Z",
    "updated_at": "2025-07-16T09:45:00Z",
    "whatsapp_config_id": "4a5b6c7d-8e9f-0a1b-2c3d-4e5f6a7b8c9d",
    "metadata": {},
    "phone_number_id": "1234567890",
    "kapso": {
      "contact_name": "Alicia",
      "messages_count": 42,
      "last_message_id": "wamid.HBgMMTIzNDU2",
      "last_message_type": "text",
      "last_message_timestamp": "2025-07-16T09:40:00Z",
      "last_message_text": "Thanks!",
      "last_inbound_at": "2025-07-16T09:35:10Z",
      "last_outbound_at": "2025-07-16T09:40:00Z"
    }
  }
}