Web Request Helper

WebRequestHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Configuration;
using System.IO;

namespace Housters.Business.Utility.Helpers {
  public static class WebRequestHelper {
		private static string APIKey = Convert.ToString(ConfigurationManager.AppSettings["BalancedAPIKey"]);
		private static string Credentials = "Basic " + Convert.ToBase64String(Encoding.UTF8.GetBytes(APIKey + ":"));
		private static string ContentType = "application/json";

		public static string PostWithAuth(string url, string requestBody = null, string method = "POST") {
			using (var client = new WebClient()) {
				client.Headers.Add(HttpRequestHeader.Authorization, Credentials);
				client.Headers.Add(HttpRequestHeader.Accept, ContentType);
				client.Headers.Add(HttpRequestHeader.ContentType, ContentType);
				return client.UploadString(url, method, !String.IsNullOrEmpty(requestBody) ? requestBody : "{}");
			}
		}

		public static string GetWithAuth(string url) {
			using (var client = new WebClient()) {
				client.Headers.Add(HttpRequestHeader.Authorization, Credentials);
				client.Headers.Add(HttpRequestHeader.Accept, ContentType);
				client.Headers.Add(HttpRequestHeader.ContentType, ContentType);
				return client.DownloadString(url);
			}
		}

		public static string DeleteWithAuth(string url) {
			var request = WebRequest.Create(url);
			request.Headers["Authorization"] = Credentials;
			request.Headers["ContentType"] = ContentType;
			request.Method = "DELETE";
			var response = (HttpWebResponse)request.GetResponse();
			return new StreamReader(response.GetResponseStream()).ReadToEnd();
		}
	}
}