using System;

using System.Net;

using System.Net.Http;

public class Program

{

    public static void Main()

    {

        var handler = new HttpClientHandler();

​

        // If you are using .NET Core 3.0+ you can replace `~DecompressionMethods.None` to `DecompressionMethods.All`

        handler.AutomaticDecompression = ~DecompressionMethods.None;

​

        using (var httpClient = new HttpClient(handler))

        {

            using (var request = new HttpRequestMessage(new HttpMethod("POST"), "https://je142.infusionsoft.com/app/form/process/4cfaa57ed3bf61405b5736f834381761"))

            {

                request.Headers.TryAddWithoutValidation("authority", "je142.infusionsoft.com");

                request.Headers.TryAddWithoutValidation("pragma", "no-cache");

                request.Headers.TryAddWithoutValidation("cache-control", "no-cache");

                request.Headers.TryAddWithoutValidation("origin", "https://je142.infusionsoft.app");

                request.Headers.TryAddWithoutValidation("upgrade-insecure-requests", "1");

                request.Headers.TryAddWithoutValidation("dnt", "1");

                request.Headers.TryAddWithoutValidation("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36");

                request.Headers.TryAddWithoutValidation("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");

                request.Headers.TryAddWithoutValidation("sec-fetch-site", "cross-site");

                request.Headers.TryAddWithoutValidation("sec-fetch-mode", "navigate");

                request.Headers.TryAddWithoutValidation("sec-fetch-user", "?1");

                request.Headers.TryAddWithoutValidation("sec-fetch-dest", "document");

                request.Headers.TryAddWithoutValidation("referer", "https://je142.infusionsoft.app/");

                request.Headers.TryAddWithoutValidation("accept-language", "en-US,en;q=0.9");

​

                request.Content = new StringContent("timeZone=Europe^%^2FBerlin^&inf_form_xid=4cfaa57ed3bf61405b5736f834381761^&inf_form_name=MenuSano+3.0^%^0D^%^0AMenuSano+Free+Trial+User^&infusionsoft_version=1.70.0.283548^&inf_field_FirstName=Jasmine^&inf_field_LastName=Jefferson^&inf_field_Email=tyzekukip^%^40mailinator.net^&inf_field_Phone1=^%^2B1+^%^28259^%^29+351-3268^&inf_field_Company=Greer+and+Moon+Traders^&inf_field_JobTitle=Fugiat+dolore+qui+a^&inf_custom_MenuSanoIndustriesSegmentList=Food+Truck^&inf_custom_HowdidyouhearaboutMenuSano=Other^&inf_custom_FEActivationLink=Enim+minima+fugiat+d^&inf_field_Password=Pa^%^24^%^24w0rd^%^21^&inf_option_Newsletterrequested=1687^&inf_option_AcceptedTerms=1745^&inf_ZEHGKmcg12lzHBPV=^&screenResolution=1920x1080^&pluginList=Chrome+PDF+Plugin^%^2CChrome+PDF+Viewer^%^2CNative+Client^&javaEnabled=false");

                request.Content.Headers.ContentType = System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/x-www-form-urlencoded");

​

                httpClient.SendAsync(request).Wait();

            }

        }       

        Console.WriteLine("Hello World");

    }

}