curl --request GET \
  --url https://api.withallo.com/v1/api/webhooks \
  --header 'Authorization: <api-key>'

{
  "data": [
    {
      "allo_number": "+1234567890",
      "enabled": true,
      "url": "https://your-webhook-url.com/webhook",
      "topics": [
        "CALL_RECEIVED",
        "SMS_RECEIVED"
      ]
    }
  ]
}