curl --request GET \
  --url https://api.ledger.so/v1/webhooks \
  --header 'Authorization: Bearer <token>'

{
  "ok": true,
  "data": {
    "items": [
      {
        "id": "whk_bcd890",
        "url": "https://example.com/webhooks/ledger",
        "events": [
          "customer.created",
          "transaction.completed",
          "card.issued"
        ],
        "status": "active",
        "createdAt": "2025-01-15T15:00:00Z",
        "secret": "whsec_a1b2c3d4e5f6g7h8i9j0"
      }
    ],
    "nextCursor": "<string>"
  }
}