var client = new RestClient("https://apitest.nilvera.com/earchive/Send/Model/Download");
client.Timeout = -1;
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <API KEY>");
request.AddHeader("Content-Type", "application/json");
var body = @"{
"ArchiveInvoice": {
"InvoiceInfo": {
"UUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"TemplateUUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"TemplateBase64String": "string",
"InvoiceType": "SATIS",
"InvoiceSerieOrNumber": "string",
"IssueDate": "2023-01-12T08:34:51.665Z",
"CurrencyCode": "string",
"ExchangeRate": 0,
"DespatchDocumentReference": [
{
"IssueDate": "2023-01-12T08:34:51.665Z",
"Value": "string"
}
],
"OrderReference": {
"IssueDate": "2023-01-12T08:34:51.665Z",
"Value": "string"
},
"OrderReferenceDocument": {
"ID": "string",
"IssueDate": "2023-01-12T08:34:51.665Z",
"DocumentType": "string",
"DocumentTypeCode": "string",
"DocumentDescription": "string",
"Attachment": {
"Base64Data": "string",
"MimeCode": "string",
"FileName": "string"
}
},
"AdditionalDocumentReferences": [
{
"ID": "string",
"IssueDate": "2023-01-12T08:34:51.665Z",
"DocumentType": "string",
"DocumentTypeCode": "string",
"DocumentDescription": "string",
"Attachment": {
"Base64Data": "string",
"MimeCode": "string",
"FileName": "string"
}
}
],
"TaxExemptionReasonInfo": {
"KDVExemptionReasonCode": "string",
"OTVExemptionReasonCode": "string",
"AccommodationTaxExemptionReasonCode": "string"
},
"PaymentTermsInfo": {
"Percent": 0,
"Amount": 0,
"Note": "string"
},
"PaymentMeansInfo": {
"Code": "string",
"ChannelCode": "string",
"DueDate": "2023-01-12T08:34:51.665Z",
"PayeeFinancialAccountID": "string",
"Note": "string"
},
"OKCInfo": {
"ID": "string",
"IssueDate": "2023-01-12T08:34:51.665Z",
"Time": "string",
"ZNo": "string",
"EndPointID": "string",
"DocumentDescription": "string"
},
"ReturnInvoiceInfo": [
{
"InvoiceNumber": "string",
"IssueDate": "2023-01-12T08:34:51.665Z"
}
],
"Expenses": [
{
"ExpenseType": "HKSKOMISYON",
"Percent": 0,
"Amount": 0
}
],
"ISDespatch": true,
"SalesPlatform": "NORMAL",
"SendType": "KAGIT",
"InternetInfo": {
"WebSite": "string",
"PaymentMethod": "string",
"PaymentMethodName": "string",
"PaymentDate": "2023-01-12T08:34:51.665Z",
"TransporterName": "string",
"TransporterRegisterNumber": "string",
"TransportDate": "2023-01-12T08:34:51.665Z"
},
"AccountingCost": "string",
"LineExtensionAmount": 0,
"GeneralKDV1Total": 0,
"GeneralKDV8Total": 0,
"GeneralKDV18Total": 0,
"GeneralAllowanceTotal": 0,
"PayableAmount": 0,
"KdvTotal": 0
},
"CompanyInfo": {
"TaxNumber": "string",
"Name": "string",
"TaxOffice": "string",
"PartyIdentifications": [
{
"SchemeID": "string",
"Value": "string"
}
],
"AgentPartyIdentifications": [
{
"SchemeID": "string",
"Value": "string"
}
],
"Address": "string",
"District": "string",
"City": "string",
"Country": "string",
"PostalCode": "string",
"Phone": "string",
"Fax": "string",
"Mail": "string",
"WebSite": "string"
},
"CustomerInfo": {
"TaxNumber": "string",
"Name": "string",
"TaxOffice": "string",
"PartyIdentifications": [
{
"SchemeID": "string",
"Value": "string"
}
],
"AgentPartyIdentifications": [
{
"SchemeID": "string",
"Value": "string"
}
],
"Address": "string",
"District": "string",
"City": "string",
"Country": "string",
"PostalCode": "string",
"Phone": "string",
"Fax": "string",
"Mail": "string",
"WebSite": "string"
},
"InvoiceLines": [
{
"Index": "string",
"SellerCode": "string",
"BuyerCode": "string",
"Name": "string",
"Description": "string",
"Quantity": 0,
"UnitType": "string",
"Price": 0,
"AllowanceTotal": 0,
"KDVPercent": 0,
"KDVTotal
