List Webhook Configs

curl --request GET \
  --url https://api.beltic.com/v1/webhooks/configs \
  --header 'X-Api-Key: <api-key>'

{
  "data": [
    {
      "type": "webhook_config",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "attributes": {
        "resource_type": "document",
        "url": "https://example.com/webhooks/documents",
        "subscribed_statuses": [
          "processed",
          "failed"
        ],
        "secret_prefix": "abc12...",
        "is_active": true,
        "created_at": "2026-01-16T10:00:00.000Z",
        "updated_at": "2026-01-16T10:00:00.000Z"
      }
    }
  ]
}