Download the PDF of the Previewed Invoice

Ön izlenen faturayı pdf olarak indirir.

post

Ön izlenen faturayı pdf olarak bu uç ile indirebilirsiniz.

Authorizations

Body

application/json-patch+jsonapplication/jsontext/jsonapplication/*+json

CustomerAliasstring | nullableOptional

Responses

200

Ön izlenen faturayı pdf olarak indirir.

text/plainapplication/jsontext/json

Responsestring

400

Geçersiz İstek | Gönderdiğiniz istekte geçersiz veriler bulunduğu anlamında gelmektedir | Detaylar için tıklayınız

403

Yetkisiz Erişim | Bu uca erişmek için gerekli yetkiye sahip olmadığınız durumda dönülür

404

Parametrede belirtilen kayıt bulunamadığında dönülür | Detaylar için tıklayınız

409

Gönderdiğiniz istek sistemde daha önce bulunduğunda dönülür | Detaylar için tıklayınız

422

Gönderdiğiniz istek geçerli fakat iş kuralları gereği geçersiz değerler içerdiğinde dönülür | Detaylar için tıklayınız

post

HTTPcURLJavaScriptPython

POST /einvoice/Send/Model/Download/Pdf HTTP/1.1
Host: 
Authorization: Bearer JWT
Content-Type: application/json-patch+json
Accept: */*
Content-Length: 5053

{
  "EInvoice": {
    "InvoiceInfo": {
      "UUID": "123e4567-e89b-12d3-a456-426614174000",
      "TemplateUUID": "123e4567-e89b-12d3-a456-426614174000",
      "TemplateBase64String": "text",
      "InvoiceType": "SATIS",
      "InvoiceSerieOrNumber": "text",
      "IssueDate": "2025-05-18T12:57:01.547Z",
      "CurrencyCode": "text",
      "ExchangeRate": 1,
      "InvoiceProfile": "TEMELFATURA",
      "DespatchDocumentReference": [
        {
          "IssueDate": "2025-05-18T12:57:01.547Z",
          "Value": "text"
        }
      ],
      "OrderReference": {
        "IssueDate": "2025-05-18T12:57:01.547Z",
        "Value": "text"
      },
      "OrderReferenceDocument": {
        "ID": "text",
        "IssueDate": "2025-05-18T12:57:01.547Z",
        "DocumentType": "text",
        "DocumentTypeCode": "text",
        "DocumentDescription": "text",
        "Attachment": {
          "Base64Data": "text",
          "MimeCode": "text",
          "FileName": "text"
        }
      },
      "AdditionalDocumentReferences": [
        {
          "ID": "text",
          "IssueDate": "2025-05-18T12:57:01.547Z",
          "DocumentType": "text",
          "DocumentTypeCode": "text",
          "DocumentDescription": "text",
          "Attachment": {
            "Base64Data": "text",
            "MimeCode": "text",
            "FileName": "text"
          }
        }
      ],
      "TaxExemptionReasonInfo": {
        "KDVExemptionReasonCode": "text",
        "OTVExemptionReasonCode": "text",
        "AccommodationTaxExemptionReasonCode": "text"
      },
      "PaymentTermsInfo": {
        "Percent": 1,
        "Amount": 1,
        "Note": "text"
      },
      "PaymentMeansInfo": {
        "Code": "text",
        "ChannelCode": "text",
        "DueDate": "2025-05-18T12:57:01.547Z",
        "PayeeFinancialAccountID": "text",
        "Note": "text"
      },
      "OKCInfo": {
        "ID": "text",
        "IssueDate": "2025-05-18T12:57:01.547Z",
        "Time": "text",
        "ZNo": "text",
        "EndPointID": "text",
        "DocumentDescription": "text"
      },
      "ESUReportInfo": {
        "ID": "text",
        "IssueDate": "2025-05-18T12:57:01.547Z"
      },
      "ReturnInvoiceInfo": [
        {
          "InvoiceNumber": "text",
          "IssueDate": "2025-05-18T12:57:01.547Z"
        }
      ],
      "AccountingCost": "text",
      "InvoicePeriod": {
        "StartDate": "2025-05-18T12:57:01.547Z",
        "StartTime": "text",
        "EndDate": "2025-05-18T12:57:01.547Z",
        "EndTime": "text",
        "DurationMeasureValue": 1,
        "Description": "text"
      },
      "SGKInfo": {
        "RegisterName": "text",
        "DocumentNumber": "text",
        "RegisterCode": "text"
      },
      "Expenses": [
        {
          "ExpenseType": "HKSKOMISYON",
          "Percent": 1,
          "Amount": 1
        }
      ],
      "LineExtensionAmount": 1,
      "GeneralKDV1Total": 1,
      "GeneralKDV8Total": 1,
      "GeneralKDV18Total": 1,
      "GeneralKDV10Total": 1,
      "GeneralKDV20Total": 1,
      "GeneralAllowanceTotal": 1,
      "PayableAmount": 1,
      "KdvTotal": 1
    },
    "CompanyInfo": {
      "TaxNumber": "text",
      "Name": "text",
      "TaxOffice": "text",
      "PartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "AgentPartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "Address": "text",
      "District": "text",
      "City": "text",
      "Country": "text",
      "PostalCode": "text",
      "Phone": "text",
      "Fax": "text",
      "Mail": "text",
      "WebSite": "text"
    },
    "CustomerInfo": {
      "TaxNumber": "text",
      "Name": "text",
      "TaxOffice": "text",
      "PartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "AgentPartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "Address": "text",
      "District": "text",
      "City": "text",
      "Country": "text",
      "PostalCode": "text",
      "Phone": "text",
      "Fax": "text",
      "Mail": "text",
      "WebSite": "text"
    },
    "BuyerCustomerInfo": {
      "TaxNumber": "text",
      "Name": "text",
      "TaxOffice": "text",
      "PartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "AgentPartyIdentifications": [
        {
          "SchemeID": "text",
          "Value": "text"
        }
      ],
      "Address": "text",
      "District": "text",
      "City": "text",
      "Country": "text",
      "PostalCode": "text",
      "Phone": "text",
      "Fax": "text",
      "Mail": "text",
      "WebSite": "text"
    },
    "ExportCustomerInfo": {
      "TaxNumber": "text",
      "LegalRegistrationName": "text",
      "PersonName": "text",
      "PersonSurName": "text",
      "Address": "text",
      "District": "text",
      "City": "text",
      "Country": "text",
      "PostalCode": "text",
      "Phone": "text",
      "Fax": "text",
      "Mail": "text",
      "WebSite": "text"
    },
    "TaxFreeInfo": {
      "TouristInfo": {
        "Name": "text",
        "SurName": "text",
        "CountryCode": "text",
        "PassportNo": "text",
        "PassportDate": "2025-05-18T12:57:01.547Z",
        "AddressInfo": {
          "Address": "text",
          "District": "text",
          "City": "text",
          "Country": "text",
          "PostalCode": "text",
          "Phone": "text",
          "Fax": "text",
          "Mail": "text",
          "WebSite": "text"
        },
        "FinancialAccountInfo": {
          "BankName": "text",
          "BranchName": "text",
          "ID": "text",
          "CurrencyCode": "text",
          "PaymentNote": "text"
        }
      },
      "TaxRepresentativeInfo": {
        "RegisterNumber": "text",
        "Alias": "text",
        "Address": {
          "Address": "text",
          "District": "text",
          "City": "text",
          "Country": "text",
          "PostalCode": "text",
          "Phone": "text",
          "Fax": "text",
          "Mail": "text",
          "WebSite": "text"
        }
      }
    },
    "InvoiceLines": [
      {
        "Index": "text",
        "SellerCode": "text",
        "BuyerCode": "text",
        "Name": "text",
        "Description": "text",
        "Quantity": 1,
        "UnitType": "text",
        "Price": 1,
        "AllowanceTotal": 1,
        "KDVPercent": 1,
        "KDVTotal": 1,
        "Taxes": [
          {
            "TaxCode": "text",
            "Total": 1,
            "Percent": 1,
            "ReasonCode": "text",
            "ReasonDesc": "text"
          }
        ],
        "DeliveryInfo": {
          "GTIPNo": "text",
          "DeliveryTermCode": "text",
          "TransportModeCode": "text",
          "PackageBrandName": "text",
          "ProductTraceID": "text",
          "PackageID": "text",
          "PackageQuantity": 1,
          "PackageTypeCode": "text",
          "DeliveryAddress": {
            "Address": "text",
            "District": "text",
            "City": "text",
            "Country": "text",
            "PostalCode": "text",
            "Phone": "text",
            "Fax": "text",
            "Mail": "text",
            "WebSite": "text"
          }
        },
        "ManufacturerCode": "text",
        "BrandName": "text",
        "ModelName": "text",
        "Note": "text",
        "SerialID": "text",
        "OzelMatrahReason": "text",
        "OzelMatrahTotal": 1,
        "VatAmountWithoutTevkifat": 1,
        "ExportRegisteredInfo": {
          "DIIBLineCode": "text",
          "GTIPNo": "text"
        },
        "AdditionalItemIdentification": {
          "TagNumber": "text",
          "OwnerName": "text",
          "OwnerTaxNumber": "text"
        }
      }
    ],
    "Notes": [
      "text"
    ]
  },
  "CustomerAlias": "text"
}

application/json-patch+jsonapplication/jsontext/jsonapplication/*+json

text

C#

var options = new RestClientOptions("https://apitest.nilvera.com")
{
    MaxTimeout = -1,
};
var client = new RestClient(options);
var request = new RestRequest("/einvoice/Send/Model/Download/Pdf", Method.Post);
request.AddHeader("Content-Type", "application/json");
request.AddHeader("Authorization", "Bearer <API KEY>");
var body = @"{
  ""EInvoice"": {
    ""InvoiceInfo"": {
      ""UUID"": ""3fa85f64-5717-4562-b3fc-2c963f66afa6"",
      ""TemplateUUID"": ""3fa85f64-5717-4562-b3fc-2c963f66afa6"",
      ""TemplateBase64String"": ""string"",
      ""InvoiceType"": ""SATIS"",
      ""InvoiceSerieOrNumber"": ""string"",
      ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
      ""CurrencyCode"": ""string"",
      ""ExchangeRate"": 0,
      ""InvoiceProfile"": ""TEMELFATURA"",
      ""DespatchDocumentReference"": [
        {
          ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
          ""Value"": ""string""
        }
      ],
      ""OrderReference"": {
        ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
        ""Value"": ""string""
      },
      ""OrderReferenceDocument"": {
        ""ID"": ""string"",
        ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
        ""DocumentType"": ""string"",
        ""DocumentTypeCode"": ""string"",
        ""DocumentDescription"": ""string"",
        ""Attachment"": {
          ""Base64Data"": ""string"",
          ""MimeCode"": ""string"",
          ""FileName"": ""string""
        }
      },
      ""AdditionalDocumentReferences"": [
        {
          ""ID"": ""string"",
          ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
          ""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"": ""2024-04-03T06:27:33.163Z"",
        ""PayeeFinancialAccountID"": ""string"",
        ""Note"": ""string""
      },
      ""OKCInfo"": {
        ""ID"": ""string"",
        ""IssueDate"": ""2024-04-03T06:27:33.163Z"",
        ""Time"": ""string"",
        ""ZNo"": ""string"",
        ""EndPointID"": ""string"",
        ""DocumentDescription"": ""string""
      },
      ""ReturnInvoiceInfo"": [
        {
          ""InvoiceNumber"": ""string"",
          ""IssueDate"": ""2024-04-03T06:27:33.163Z""
        }
      ],
      ""AccountingCost"": ""string"",
      ""InvoicePeriod"": {
        ""StartDate"": ""2024-04-03T06:27:33.163Z"",
        ""StartTime"": ""2024-04-03T06:27:33.163Z"",
        ""EndDate"": ""2024-04-03T06:27:33.163Z"",
        ""EndTime"": ""2024-04-03T06:27:33.163Z"",
        ""DurationMeasureValue"": 0,
        ""Description"": ""string""
      },
      ""SGKInfo"": {
        ""RegisterName"": ""string"",
        ""DocumentNumber"": ""string"",
        ""RegisterCode"": ""string""
      },
      ""Expenses"": [
        {
          ""ExpenseType"": ""HKSKOMISYON"",
          ""Percent"": 0,
          ""Amount"": 0
        }
      ],
      ""LineExtensionAmount"": 0,
      ""GeneralKDV1Total"": 0,
      ""GeneralKDV8Total"": 0,
      ""GeneralKDV18Total"": 0,
      ""GeneralKDV10Total"": 0,
      ""GeneralKDV20Total"": 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""
    },
    ""BuyerCustomerInfo"": {
      ""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""
    },
    ""ExportCustomerInfo"": {
      ""TaxNumber"": ""string"",
      ""LegalRegistrationName"": ""string"",
      ""PersonName"": ""string"",
      ""PersonSurName"": ""string"",
      ""Address"": ""string"",
      ""District"": ""string"",
      ""City"": ""string"",
      ""Country"": ""string"",
      ""PostalCode"": ""string"",
      ""Phone"": ""string"",
      ""Fax"": ""string"",
      ""Mail"": ""string"",
      ""WebSite"": ""string""
    },
    ""TaxFreeInfo"": {
      ""TouristInfo"": {
        ""Name"": ""string"",
        ""SurName"": ""string"",
        ""CountryCode"": ""string"",
        ""PassportNo"": ""string"",
        ""PassportDate"": ""2024-04-03T06:27:33.163Z"",
        ""AddressInfo"": {
          ""Address"": ""string"",
          ""District"": ""string"",
          ""City"": ""string"",
          ""Country"": ""string"",
          ""PostalCode"": ""string"",
          ""Phone"": ""string"",
          ""Fax"": ""string"",
          ""Mail"": ""string"",
          ""WebSite"": ""string""
        },
        ""FinancialAccountInfo"": {
          ""BankName"": ""string"",
          ""BranchName"": ""string"",
          ""ID"": ""string"",
          ""CurrencyCode"": ""string"",
          ""PaymentNote"": ""string""
        }
      },
      ""TaxRepresentativeInfo"": {
        ""RegisterNumber"": ""string"",
        ""Alias"": ""string"",
        ""Address"": {
          ""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"": 0,
        ""Taxes"": [
          {
            ""TaxCode"": ""string"",
            ""Total"": 0,
            ""Percent"": 0,
            ""ReasonCode"": ""string"",
            ""ReasonDesc"": ""string""
          }
        ],
        ""DeliveryInfo"": {
          ""GTIPNo"": ""string"",
          ""DeliveryTermCode"": ""string"",
          ""TransportModeCode"": ""string"",
          ""PackageBrandName"": ""string"",
          ""ProductTraceID"": ""string"",
          ""PackageID"": ""string"",
          ""PackageQuantity"": 0,
          ""PackageTypeCode"": ""string"",
          ""DeliveryAddress"": {
            ""Address"": ""string"",
            ""District"": ""string"",
            ""City"": ""string"",
            ""Country"": ""string"",
            ""PostalCode"": ""string"",
            ""Phone"": ""string"",
            ""Fax"": ""string"",
            ""Mail"": ""string"",
            ""WebSite"": ""string""
          }
        },
        ""ManufacturerCode"": ""string"",
        ""BrandName"": ""string"",
        ""ModelName"": ""string"",
        ""Note"": ""string"",
        ""OzelMatrahReason"": ""string"",
        ""OzelMatrahTotal"": 0,
        ""VatAmountWithoutTevkifat"": 0,
        ""AdditionalItemIdentification"": {
          ""TagNumber"": ""string"",
          ""OwnerName"": ""string"",
          ""OwnerTaxNumber"": ""string""
        }
      }
    ],
    ""Notes"": [
      ""string""
    ]
  },
  ""CustomerAlias"": ""string""
}";
request.AddStringBody(body, DataFormat.Json);
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);

PHP - cURL

<?php
$curl = curl_init();
curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://apitest.nilvera.com/einvoice/Send/Model/Download/Pdf',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'POST',
  CURLOPT_POSTFIELDS =>'{
  "EInvoice": {
    "InvoiceInfo": {
      "UUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "TemplateUUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "TemplateBase64String": "string",
      "InvoiceType": "SATIS",
      "InvoiceSerieOrNumber": "string",
      "IssueDate": "2024-04-03T06:27:33.163Z",
      "CurrencyCode": "string",
      "ExchangeRate": 0,
      "InvoiceProfile": "TEMELFATURA",
      "DespatchDocumentReference": [
        {
          "IssueDate": "2024-04-03T06:27:33.163Z",
          "Value": "string"
        }
      ],
      "OrderReference": {
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "Value": "string"
      },
      "OrderReferenceDocument": {
        "ID": "string",
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "DocumentType": "string",
        "DocumentTypeCode": "string",
        "DocumentDescription": "string",
        "Attachment": {
          "Base64Data": "string",
          "MimeCode": "string",
          "FileName": "string"
        }
      },
      "AdditionalDocumentReferences": [
        {
          "ID": "string",
          "IssueDate": "2024-04-03T06:27:33.163Z",
          "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": "2024-04-03T06:27:33.163Z",
        "PayeeFinancialAccountID": "string",
        "Note": "string"
      },
      "OKCInfo": {
        "ID": "string",
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "Time": "string",
        "ZNo": "string",
        "EndPointID": "string",
        "DocumentDescription": "string"
      },
      "ReturnInvoiceInfo": [
        {
          "InvoiceNumber": "string",
          "IssueDate": "2024-04-03T06:27:33.163Z"
        }
      ],
      "AccountingCost": "string",
      "InvoicePeriod": {
        "StartDate": "2024-04-03T06:27:33.163Z",
        "StartTime": "2024-04-03T06:27:33.163Z",
        "EndDate": "2024-04-03T06:27:33.163Z",
        "EndTime": "2024-04-03T06:27:33.163Z",
        "DurationMeasureValue": 0,
        "Description": "string"
      },
      "SGKInfo": {
        "RegisterName": "string",
        "DocumentNumber": "string",
        "RegisterCode": "string"
      },
      "Expenses": [
        {
          "ExpenseType": "HKSKOMISYON",
          "Percent": 0,
          "Amount": 0
        }
      ],
      "LineExtensionAmount": 0,
      "GeneralKDV1Total": 0,
      "GeneralKDV8Total": 0,
      "GeneralKDV18Total": 0,
      "GeneralKDV10Total": 0,
      "GeneralKDV20Total": 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"
    },
    "BuyerCustomerInfo": {
      "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"
    },
    "ExportCustomerInfo": {
      "TaxNumber": "string",
      "LegalRegistrationName": "string",
      "PersonName": "string",
      "PersonSurName": "string",
      "Address": "string",
      "District": "string",
      "City": "string",
      "Country": "string",
      "PostalCode": "string",
      "Phone": "string",
      "Fax": "string",
      "Mail": "string",
      "WebSite": "string"
    },
    "TaxFreeInfo": {
      "TouristInfo": {
        "Name": "string",
        "SurName": "string",
        "CountryCode": "string",
        "PassportNo": "string",
        "PassportDate": "2024-04-03T06:27:33.163Z",
        "AddressInfo": {
          "Address": "string",
          "District": "string",
          "City": "string",
          "Country": "string",
          "PostalCode": "string",
          "Phone": "string",
          "Fax": "string",
          "Mail": "string",
          "WebSite": "string"
        },
        "FinancialAccountInfo": {
          "BankName": "string",
          "BranchName": "string",
          "ID": "string",
          "CurrencyCode": "string",
          "PaymentNote": "string"
        }
      },
      "TaxRepresentativeInfo": {
        "RegisterNumber": "string",
        "Alias": "string",
        "Address": {
          "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": 0,
        "Taxes": [
          {
            "TaxCode": "string",
            "Total": 0,
            "Percent": 0,
            "ReasonCode": "string",
            "ReasonDesc": "string"
          }
        ],
        "DeliveryInfo": {
          "GTIPNo": "string",
          "DeliveryTermCode": "string",
          "TransportModeCode": "string",
          "PackageBrandName": "string",
          "ProductTraceID": "string",
          "PackageID": "string",
          "PackageQuantity": 0,
          "PackageTypeCode": "string",
          "DeliveryAddress": {
            "Address": "string",
            "District": "string",
            "City": "string",
            "Country": "string",
            "PostalCode": "string",
            "Phone": "string",
            "Fax": "string",
            "Mail": "string",
            "WebSite": "string"
          }
        },
        "ManufacturerCode": "string",
        "BrandName": "string",
        "ModelName": "string",
        "Note": "string",
        "OzelMatrahReason": "string",
        "OzelMatrahTotal": 0,
        "VatAmountWithoutTevkifat": 0,
        "AdditionalItemIdentification": {
          "TagNumber": "string",
          "OwnerName": "string",
          "OwnerTaxNumber": "string"
        }
      }
    ],
    "Notes": [
      "string"
    ]
  },
  "CustomerAlias": "string"
}',
  CURLOPT_HTTPHEADER => array(
    'Content-Type: application/json',
    'Authorization: Bearer <API KEY>'
  ),
));
$response = curl_exec($curl);
curl_close($curl);
echo $response;

NodeJs - Axios

const axios = require('axios');
let data = JSON.stringify({
  "EInvoice": {
    "InvoiceInfo": {
      "UUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "TemplateUUID": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "TemplateBase64String": "string",
      "InvoiceType": "SATIS",
      "InvoiceSerieOrNumber": "string",
      "IssueDate": "2024-04-03T06:27:33.163Z",
      "CurrencyCode": "string",
      "ExchangeRate": 0,
      "InvoiceProfile": "TEMELFATURA",
      "DespatchDocumentReference": [
        {
          "IssueDate": "2024-04-03T06:27:33.163Z",
          "Value": "string"
        }
      ],
      "OrderReference": {
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "Value": "string"
      },
      "OrderReferenceDocument": {
        "ID": "string",
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "DocumentType": "string",
        "DocumentTypeCode": "string",
        "DocumentDescription": "string",
        "Attachment": {
          "Base64Data": "string",
          "MimeCode": "string",
          "FileName": "string"
        }
      },
      "AdditionalDocumentReferences": [
        {
          "ID": "string",
          "IssueDate": "2024-04-03T06:27:33.163Z",
          "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": "2024-04-03T06:27:33.163Z",
        "PayeeFinancialAccountID": "string",
        "Note": "string"
      },
      "OKCInfo": {
        "ID": "string",
        "IssueDate": "2024-04-03T06:27:33.163Z",
        "Time": "string",
        "ZNo": "string",
        "EndPointID": "string",
        "DocumentDescription": "string"
      },
      "ReturnInvoiceInfo": [
        {
          "InvoiceNumber": "string",
          "IssueDate": "2024-04-03T06:27:33.163Z"
        }
      ],
      "AccountingCost": "string",
      "InvoicePeriod": {
        "StartDate": "2024-04-03T06:27:33.163Z",
        "StartTime": "2024-04-03T06:27:33.163Z",
        "EndDate": "2024-04-03T06:27:33.163Z",
        "EndTime": "2024-04-03T06:27:33.163Z",
        "DurationMeasureValue": 0,
        "Description": "string"
      },
      "SGKInfo": {
        "RegisterName": "string",
        "DocumentNumber": "string",
        "RegisterCode": "string"
      },
      "Expenses": [
        {
          "ExpenseType": "HKSKOMISYON",
          "Percent": 0,
          "Amount": 0
        }
      ],
      "LineExtensionAmount": 0,
      "GeneralKDV1Total": 0,
      "GeneralKDV8Total": 0,
      "GeneralKDV18Total": 0,
      "GeneralKDV10Total": 0,
      "GeneralKDV20Total": 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"
    },
    "BuyerCustomerInfo": {
      "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"
    },
    "ExportCustomerInfo": {
      "TaxNumber": "string",
      "LegalRegistrationName": "string",
      "PersonName": "string",
      "PersonSurName": "string",
      "Address": "string",
      "District": "string",
      "City": "string",
      "Country": "string",
      "PostalCode": "string",
      "Phone": "string",
      "Fax": "string",
      "Mail": "string",
      "WebSite": "string"
    },
    "TaxFreeInfo": {
      "TouristInfo": {
        "Name": "string",
        "SurName": "string",
        "CountryCode": "string",
        "PassportNo": "string",
        "PassportDate": "2024-04-03T06:27:33.163Z",
        "AddressInfo": {
          "Address": "string",
          "District": "string",
          "City": "string",
          "Country": "string",
          "PostalCode": "string",
          "Phone": "string",
          "Fax": "string",
          "Mail": "string",
          "WebSite": "string"
        },
        "FinancialAccountInfo": {
          "BankName": "string",
          "BranchName": "string",
          "ID": "string",
          "CurrencyCode": "string",
          "PaymentNote": "string"
        }
      },
      "TaxRepresentativeInfo": {
        "RegisterNumber": "string",
        "Alias": "string",
        "Address": {
          "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": 0,
        "Taxes": [
          {
            "TaxCode": "string",
            "Total": 0,
            "Percent": 0,
            "ReasonCode": "string",
            "ReasonDesc": "string"
          }
        ],
        "DeliveryInfo": {
          "GTIPNo": "string",
          "DeliveryTermCode": "string",
          "TransportModeCode": "string",
          "PackageBrandName": "string",
          "ProductTraceID": "string",
          "PackageID": "string",
          "PackageQuantity": 0,
          "PackageTypeCode": "string",
          "DeliveryAddress": {
            "Address": "string",
            "District": "string",
            "City": "string",
            "Country": "string",
            "PostalCode": "string",
            "Phone": "string",
            "Fax": "string",
            "Mail": "string",
            "WebSite": "string"
          }
        },
        "ManufacturerCode": "string",
        "BrandName": "string",
        "ModelName": "string",
        "Note": "string",
        "OzelMatrahReason": "string",
        "OzelMatrahTotal": 0,
        "VatAmountWithoutTevkifat": 0,
        "AdditionalItemIdentification": {
          "TagNumber": "string",
          "OwnerName": "string",
          "OwnerTaxNumber": "string"
        }
      }
    ],
    "Notes": [
      "string"
    ]
  },
  "CustomerAlias": "string"
});
let config = {
  method: 'post',
  maxBodyLength: Infinity,
  url: 'https://apitest.nilvera.com/einvoice/Send/Model/Download/Pdf',
  headers: { 
    'Content-Type': 'application/json', 
    'Authorization': 'Bearer <API KEY>'
  },
  data : data
};
axios.request(config)
.then((response) => {
  console.log(JSON.stringify(response.data));
})
.catch((error) => {
  console.log(error);
});