using RestSharp;


var options = new RestClientOptions("https://api.sandbox.{id}.gr4vy.app/transactions/{transaction_id}/chargebacks");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "Bearer <token>");
var response = await client.GetAsync(request);

Console.WriteLine("{0}", response.Content);

{
  "items": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "merchant_account_id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "posted_at": "2023-11-07T05:31:56Z",
      "ingested_at": "2023-11-07T05:31:56Z",
      "currency": "<string>",
      "amount": 123,
      "commission": 123,
      "payment_service_report_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "payment_service_report_file_ids": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ],
      "transaction_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "exchange_rate": 1,
      "interchange": 50,
      "markup": 10,
      "scheme_fee": 5,
      "type": "chargeback"
    }
  ]
}