List fees

{
  "fees": [
    {
      "object": "fee",
      "id": "fee_IhMUl3rrZ3",
      "name": "Setup fee",
      "code": "setup_fee",
      "invoice_name": "Installation fee",
      "plan_id": "plan_IhMUl3rrZ3",
      "interval": null,
      "created_at": "2025-02-14T17:33:40.843Z",
      "price": {
        "model": "flat",
        "currency": "USD",
        "amount": 1000
      }
    }
  ],
  "meta": {
    "request_id": "req_IhMUl3rrZ3",
    "current_page": 1,
    "per_page": 20,
    "total_count": 100
  }
}