Translating natural languages in C# using VS2022

translate-text.cs

using System;
using System.Net;
using System.Text.Json;
using System.IO;
using System.Text;

class Translator
{
    // TODO: If you have your own Premium account credentials, put them down here:
    private static string CLIENT_ID = "FREE_TRIAL_ACCOUNT";
    private static string CLIENT_SECRET = "PUBLIC_SECRET";

    private static string API_URL = "https://api.whatsmate.net/v1/translation/translate";

    static void Main(string[] args)
    {
        Translator textTranslator = new Translator();
        // TODO: Specify your translation requirements here:
        string fromLang = "en";
        string toLang = "es";
        string text = "Let's have fun!";
        textTranslator.translate(fromLang, toLang, text);
        Console.WriteLine("Press Enter to exit.");
        Console.ReadLine();
    }

    public bool translate(string fromLang, string toLang, string text)
    {
        bool success = true;

        try
        {
            HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(API_URL);
            httpRequest.Method = "POST";
            httpRequest.Accept = "application/json";
            httpRequest.ContentType = "application/json";
            httpRequest.Headers["X-WM-CLIENT-ID"] = CLIENT_ID;
            httpRequest.Headers["X-WM-CLIENT-SECRET"] = CLIENT_SECRET;

            Payload payloadObj = new Payload() { fromLang = fromLang, toLang = toLang, text = text };
            string postData = JsonSerializer.Serialize(payloadObj);

            using (var streamWriter = new StreamWriter(httpRequest.GetRequestStream()))
            {
                streamWriter.Write(postData);
            }

            var httpResponse = (HttpWebResponse)httpRequest.GetResponse();
            using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
            {
                var result = streamReader.ReadToEnd();
                Console.WriteLine(result);
            }
        }
        catch (WebException webExcp)
        {
            Console.WriteLine("A WebException has been caught.");
            Console.WriteLine(webExcp.ToString());
            WebExceptionStatus status = webExcp.Status;
            if (status == WebExceptionStatus.ProtocolError)
            {
                Console.Write("The REST API server returned a protocol error: ");
                HttpWebResponse? httpResponse = webExcp.Response as HttpWebResponse;
                Stream stream = httpResponse.GetResponseStream();
                StreamReader reader = new StreamReader(stream);
                String body = reader.ReadToEnd();
                Console.WriteLine((int)httpResponse.StatusCode + " - " + body);
                success = false;
            }
        }
        catch (Exception e)
        {
            Console.WriteLine("A general exception has been caught.");
            Console.WriteLine(e.ToString());
            success = false;
        }


        return success;
    }

    public class Payload
    {
        public string fromLang { get; set; }
        public string toLang { get; set; }
        public string text { get; set; }
    }

}

http://whatsmate.github.io/2026-03-03-translate-text-csharp-vs2022/