C# Example for Creating Freshdesk Ticket With Attachment

gistfile1.cs

using System;
using System.IO;
using System.Net.Http;

namespace HttpClientFDApi
{
    class FreshdeskTicketAttachmentApi
    {
        static void Main(string[] args)
        {
            var credentials = new NetworkCredential("API_KEY", "X");
            var handler = new HttpClientHandler { Credentials = credentials };
            
            var client = new HttpClient(handler);
            var content = new MultipartFormDataContent();
            
            // Title, description and email:
            content.Add(new StringContent("example@example.com"), "helpdesk_ticket[email]");
            content.Add(new StringContent("Ticket Title"), "helpdesk_ticket[subject]");
            content.Add(new StringContent("Ticket description."), "helpdesk_ticket[description]");
            
            // Attachments:
            content.Add(new StreamContent(File.Open("Image1.png", FileMode.Open)),
              "helpdesk_ticket[attachments][][resource]", "Image1.png");
            content.Add(new StreamContent(File.Open("Image2.png", FileMode.Open)),
              "helpdesk_ticket[attachments][][resource]", "Image2.png");
            
            var result = client.PostAsync("https://DOMAIN.freshdesk.com/helpdesk/tickets.json", content);
            Console.WriteLine(result.Result.ToString());
        }
    }
}