curl --request GET \
  --url https://app.kapso.ai/api/v1/whatsapp_configs/{config_id} \
  --header 'X-API-Key: <api-key>'

{
  "data": {
    "id": "config-123abc",
    "name": "Client WhatsApp",
    "display_name": "Client WhatsApp (+1234567890)",
    "phone_number_id": "1234567890",
    "business_account_id": "98765432109",
    "display_phone_number": "+56 9 61461262",
    "display_phone_number_normalized": "56961461262",
    "webhook_verify_token": "<string>",
    "webhook_destination_url": "<string>",
    "customer_id": "customer-456def",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}