Gönderilecek İrsaliyeyi Önizler

var client = new RestClient("https://apitest.nilvera.com/edespatch/Send/Model/Preview");
client.Timeout = -1;
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <API KEY>");
request.AddHeader("Content-Type", "application/json");
var body = @"{
"EDespatch": {
"DespatchInfo": {
"UUID": "9dc0807f-4847-415b-a960-4a52ce585496",
"IssueDate": "2023-01-09T15:13:36.9376458+03:00",
"TemplateBase64String": null,
"TemplateUUID": "a2d5d0dd-a5b5-4a8a-a1e1-0a245caf5fd6",
"ActualDespatchDateTime": "2023-01-09T15:13:36.9376467+03:00",
"PayableAmount": 0,
"CurrencyCode": "TRY",
"DespatchType": "SEVK",
"DespatchProfile": "TEMELIRSALIYE",
"DespatchSerieOrNumber": "IRS",
"MatbuIssueDate": null,
"MatbuNumber": null},
"DespatchSupplierInfo": null,
"DeliveryCustomerInfo"": {
"PartyIdentifications": null,
"Address": "Papatya Caddesi Yasemin Sokak No21",
"District": "Melikgazi",
"City": "Kayseri",
"PostalCode": "38038",
"Country": "Türkiye",
"TaxOffice": null,
"TaxNumber": "1288331521",
"Name": "AAA Anonim Şirketi",
"Phone": null,
"Email": null,
"Fax": null,
"WebSite": null},
"BuyerCustomerInfo": null,
"SellerSupplierInfo": null,
"OriginatorCustomerInfo": null,
"Notes": null,
"DespatchLines": [{
"DeliveredUnitType": "C62",
"DeliveredUnitName": "Adet",
"Name": "Laptop",
"SellerCode": null,
"BuyerCode": null,
"Description": null,
"DeliveredQuantity": 1,
"QuantityPrice": 0,
"LineTotal": 0,
"AdditionalItemIdentification": null,
"OutstandingQuantity": 0,
"OutstandingUnitType": null,
"OutstandingUnitName": null,
"OutstandingReason": null,
"ManufacturerCode": null,
"BrandName": null,
"ModelName": null"ShipmentDetail": 
{"ShipmentInfo": {"DriverPerson"": null,
"LicensePlateID": "00 AAA 000"},
"Delivery": {"AddressInfo": {"Address": "Teslimat Adresi",
"District": "Melikgazi",
"City": "Kayseri",
"Country": "Türkiye",
"PostalCode": "38038",
"Phone": null,
"Fax": null,
"Mail": null,
"WebSite": null,
"CarrierInfo": {"Address": "carrier address",
"District": "Melikgazi",
"City": "Kayseri",
"PostalCode": "38038",
"Country": "Türkiye",
"TaxNumber": ""1288331521",
"Phone": null,
"TaxOffice": null,
"Name": "AAA Anonim Şirket",
"Email": null,
"WebSite": null,
"Fax": null,
"TransportEquipment": null",
AdditionalDocumentReference": null,
"OrderReference": null,
,,CustomerAlias": null}";
request.AddParameter("application/json", body,  ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
Console.WriteLine(response.Content);