Client Credentials Authorization Flow in C# (Spotify API)

AccessToken.cs

using System;

namespace authtest
{
    class AccessToken
    {
        public string access_token { get; set; }
        public string token_type { get; set; }
        public long expires_in { get; set; }
    }
}

Program.cs

using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Linq;
using System.Text;
using System.Web;
using Newtonsoft.Json;

namespace authtest
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Spotify API");
            AccessToken token = GetToken().Result;
            Console.WriteLine(String.Format("Access Token: {0}",token.access_token));
        }

        static async Task<AccessToken> GetToken()
        {
            Console.WriteLine("Getting Token");
            string clientId = "YOUR CLIENT ID";
            string clientSecret = "YOUR CLIENT SECRET";
            string credentials = String.Format("{0}:{1}",clientId,clientSecret);

            using(var client = new HttpClient())
            {
                //Define Headers
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic",Convert.ToBase64String(Encoding.UTF8.GetBytes(credentials)));

                //Prepare Request Body
                List<KeyValuePair<string,string>> requestData = new List<KeyValuePair<string,string>>();
                requestData.Add(new KeyValuePair<string,string>("grant_type","client_credentials"));

                FormUrlEncodedContent requestBody = new FormUrlEncodedContent(requestData);

                //Request Token
                var request = await client.PostAsync("https://accounts.spotify.com/api/token",requestBody);
                var response = await request.Content.ReadAsStringAsync();
                return JsonConvert.DeserializeObject<AccessToken>(response);   
            }
        }
    }
}

@shaiksaleem7

Change: private static async Task<string> GetToken()

To: private static async Task<AccessToken> GetToken()