Preview the Invoice to be Sent as XML

var options = new RestClientOptions("https://apitest.nilvera.com")
{
  MaxTimeout = -1,
};
var client = new RestClient(options);
var request = new RestRequest("/einvoice/Send/Xml/Preview?Alias=sdfs", Method.Post);
request.AddHeader("Content-Type", "application/xml");
request.AddHeader("Authorization", "Bearer <API KEY>");
request.AddParameter("application/xml", "<file contents here>", ParameterType.RequestBody);
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);

<?php
$curl = curl_init();
curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://apitest.nilvera.com/einvoice/Send/Xml/Preview?Alias=sdfs',
  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 => "<file contents here>",
  CURLOPT_HTTPHEADER => array(
    'Content-Type: application/xml',
    'Authorization: Bearer <API KEY>'
  ),
));
$response = curl_exec($curl);
curl_close($curl);
echo $response;

const axios = require('axios');
let data = '<file contents here>';
let config = {
  method: 'post',
  maxBodyLength: Infinity,
  url: 'https://apitest.nilvera.com/einvoice/Send/Xml/Preview?Alias=sdfs',
  headers: { 
    'Content-Type': 'application/xml', 
    'Authorization': 'Bearer <API KEY>'
  },
  data : data
};
axios.request(config)
.then((response) => {
  console.log(JSON.stringify(response.data));
})
.catch((error) => {
  console.log(error);
});

PreviousSend the Invoice as XML NextSend the Invoice as Base64 String

Xml olarak Gönderilecek faturayı ön izler.