curl --request POST \
  --url https://api.withallo.com/v1/api/webhooks \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "allo_number": "+1234567890",
  "url": "https://example.com/webhooks/allo",
  "topics": [
    "CALL_RECEIVED",
    "SMS_RECEIVED"
  ],
  "enabled": true
}
'

{
  "data": {
    "id": "web-2NfDKEm9sF8xK3pQr1Zt",
    "allo_number": "+1234567890",
    "enabled": true,
    "url": "https://example.com/webhooks/allo",
    "topics": [
      "CALL_RECEIVED",
      "SMS_RECEIVED"
    ]
  }
}