RestSharp Example - Reading Data

using RestSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Script.Serialization;

namespace RetailerUrlStatusChecker
{
    public class SifProcessor
    {
        public string Token { get; set; }
        public List<Location> Locations { get; set; }

        public string GetToken()
        {
            // Get Token
            var client = new RestClient("https://your-url.com/login");
            var request = new RestRequest(Method.POST);
            request.AddHeader("cache-control", "no-cache");
            request.AddHeader("content-type", "application/json");
            request.AddParameter("application/json", "{\"username\": \"your-username\", \"password\": \"your-password\"}", ParameterType.RequestBody);

            IRestResponse response = client.Execute(request);

            JavaScriptSerializer serializer = new JavaScriptSerializer();
            var d = serializer.Deserialize<TokenResponse>(response.Content);
            var token = d.token;

            return token;
        }

        public List<Location> GetLocations()
        {
            var client = new RestClient("https://your-url.com/locations");
            var request = new RestRequest(Method.GET);
            request.AddHeader("cache-control", "no-cache");
            request.AddHeader("authorization", this.Token);
            IRestResponse response = client.Execute(request);

            JavaScriptSerializer serializer = new JavaScriptSerializer();
            var d = serializer.Deserialize<LocationResponse>(response.Content);
            return d.locations;
        }

        public void Process()
        {
            this.Token = GetToken();
            this.Locations = GetLocations();
            Console.WriteLine(this.Locations.Count());
            foreach (var loc in this.Locations)
            {
                Console.WriteLine(loc.busName);
            }
        }
    }



    // -----------------------------

    public class TokenResponse {
        public string username { get; set; }
        public bool authenticated { get; set; }
        public string token { get; set; }
    }

    public class LocationResponse
    {
        public List<Location> locations { get; set; }
    }

    public class Location
    {
        public int id { get; set; }
        public string busName { get; set; }
    }
}

Here are some options:
https://stackoverflow.com/questions/11803485/how-to-parse-json-using-restsharp