ApiCalls Using C# y RestSharp

internal class ApiCalls.cs

using Newtonsoft.Json;
using RestSharp;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Net;

namespace NodeClientAdmin
{
    internal class ApiCalls
    {
        
        internal void CreateNewFromServer()
        {
           
            var client = new RestClient(URLService);

            var request = new RestRequest("/Server/ServerInfo", Method.POST);
            request.AddHeader("accept", "application/json");
            request.AddHeader("content-type", "application/json");

            var requestObject = new
            {
                id = keyApp,
                k = Tools.CriptData(U)
            };
            request.AddParameter("application/json", JsonConvert.SerializeObject(requestObject), ParameterType.RequestBody);


            IRestResponse response = client.Execute(request);
            if (!string.IsNullOrEmpty(response.ErrorMessage))
                throw new Exception(response.ErrorMessage);

            if (response.StatusCode.Equals(HttpStatusCode.BadRequest) || response.StatusCode.Equals(HttpStatusCode.InternalServerError))
                throw new Exception(response.Content);

            if (response.StatusCode.Equals(HttpStatusCode.OK))
            {
                var content = response.Content;
                currentServer = JsonConvert.DeserializeObject<TLic>(content);

            }
          
        }
        
        internal static List<string> LoadServers()
        {
            string URLService = ConfigurationManager.AppSettings["url:Lic"];
            string serverhash = ConfigurationManager.AppSettings["serverhash:id"];

            Logs.Event("Cargando " + URLService + "/Conf/Servers para el ID " + serverhash, "News.CurrentInstances");

            var client = new RestClient(URLService);

            var request = new RestRequest("Conf/Servers", Method.GET);
            request.AddHeader("accept", "application/json");
            request.AddHeader("content-type", "application/json");

            IRestResponse response = client.Execute(request);
            if (!string.IsNullOrEmpty(response.ErrorMessage))
                throw new Exception(response.ErrorMessage);

            if (response.StatusCode.Equals(HttpStatusCode.BadRequest) || response.StatusCode.Equals(HttpStatusCode.InternalServerError))
                throw new Exception(response.Content);

            if (response.StatusCode.Equals(HttpStatusCode.OK))
            {
                Logs.Event(HttpStatusCode.OK.ToString(), "News.CurrentInstances");
                var lists = JsonConvert.DeserializeObject<Server>(response.Content);
                return lists;
            } 
        }
    }
}