Exemple en C# d'envoi de fax unitaire

send_fax_unit.cs

static void Main(string[] args)
{

	// Récupération du document en base64
		string filename = "test-fax.doc";
		byte[] file = System.IO.File.ReadAllBytes(filename);
		string binary = System.Convert.ToBase64String(file, 0, file.Length); 

	// Création du XML à poster
		var xml = @"<request login=""your-login"" password=""your-password"">
					   <push media=""fax"" type=""on_demand"" name=""Test API Fax C#"">
					   <message type=""doc"">" + binary + @"</message>
					   <recipients>
					   <add target=""+33 170248254""/>
					   </recipients>
					   </push>
					   </request>"; 

	// Construction et envoi de la requête HTTP
		WebRequest request = WebRequest.Create("http://api.express-mailing.com/transac/api.ashx");
		request.Method = "POST";
		request.ContentType = "application/x-www-form-urlencoded";
		byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(xml);
		request.ContentLength = byteArray.Length;
		System.IO.Stream dataStream = request.GetRequestStream();
		dataStream.Write(byteArray, 0, byteArray.Length);
		dataStream.Close();

		WebResponse web_response = request.GetResponse();
		var stream_response = web_response.GetResponseStream();
		System.IO.StreamReader reader = new System.IO.StreamReader(stream_response);
		string response = reader.ReadToEnd();

		Console.WriteLine(response);

}