extra_5_send_individual_fax_dotnet_35.cs

using System;
using System.Collections.Generic;
using System.Net;
using System.Text;

namespace Interfax_35_sample
{
  class Program
  {
    static void Main(string[] args)
    {
      // Your credentials
      const string username = "username";
      const string password = "password";
      
      // The fax you want to send
      const string faxFilePath = "fax.pdf";

      // The API method to call
      const string baseUri = "https://rest.interfax.net";
      string uploadUri = "/outbound/faxes";

      // Set the parameters as per
      // https://www.interfax.net/en/dev/rest/reference/2918
      var options = new Dictionary<String, String>(){
        {"faxNumber", "+11111111112"}
      };

      // Create a new web client for making API calls
      WebClient webClient = new WebClient();
    
      // Build the URL with the options defined earlier
      uploadUri += "?";
      foreach (var x in options.Keys)
      {
        uploadUri += x + '=' + options[x] + '&';
      }

      // Add the credentials to the headers
      var encodedAuth = Convert.ToBase64String(Encoding.ASCII.GetBytes(username + ":" + password));
      webClient.BaseAddress = baseUri;
      webClient.Headers.Add(HttpRequestHeader.Authorization, "Basic " + encodedAuth);
      webClient.Headers.Add(HttpRequestHeader.Accept, "application/json");
      webClient.Headers.Add(HttpRequestHeader.ContentType, "application/pdf");

      // Submit the file
      var result = webClient.UploadFile(uploadUri, "post", faxFilePath);
    }
  }
}