Authenticate and request a user’s timeline with Twitter API 1.1 oAuth

This morning I have received the dreaded ‘The Twitter REST API v1 is no longer active. Please migrate to API v1.1.’ error in a few of my web sites.

Previously I have been using javascript/json to make these calls to to display a timeline.

As this is no longer available I need to adopt the new 1.1 API process.

I need to do the following using HttpWebRequest objects not a 3rd party application:

  1. Authenticate using oauth key and secret
  2. Make an authenticated call to pull back to display users timeline


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Method 1

Here is what I did to get this working in a simple example.

I had to generate an oAuth consumer key and secret from Twitter at:

I deserialized the authentication object first to get the token and type back in order to authenticate the timeline call.

The timeline call simply reads the json as that is all I need to do, you may want to deserialize it yourself into an object.

I have created a project for this at :

Update – I have updated the github project to include both asp .net web app & mvc app example demos and nuget install.

// You need to set your own keys and screen name
var oAuthConsumerKey = "superSecretKey";
var oAuthConsumerSecret = "superSecretSecret";
var oAuthUrl = "";
var screenname = "aScreenName";

// Do the Authenticate
var authHeaderFormat = "Basic {0}";

var authHeader = string.Format(authHeaderFormat,
    Convert.ToBase64String(Encoding.UTF8.GetBytes(Uri.EscapeDataString(oAuthConsumerKey) + ":" +

var postBody = "grant_type=client_credentials";

HttpWebRequest authRequest = (HttpWebRequest)WebRequest.Create(oAuthUrl);
authRequest.Headers.Add("Authorization", authHeader);
authRequest.Method = "POST";
authRequest.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
authRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;

using (Stream stream = authRequest.GetRequestStream())
    byte[] content = ASCIIEncoding.ASCII.GetBytes(postBody);
    stream.Write(content, 0, content.Length);

authRequest.Headers.Add("Accept-Encoding", "gzip");

WebResponse authResponse = authRequest.GetResponse();
// deserialize into an object
TwitAuthenticateResponse twitAuthResponse;
using (authResponse)
    using (var reader = new StreamReader(authResponse.GetResponseStream())) {
        JavaScriptSerializer js = new JavaScriptSerializer();
        var objectText = reader.ReadToEnd();
        twitAuthResponse = JsonConvert.DeserializeObject<TwitAuthenticateResponse>(objectText);

// Do the timeline
var timelineFormat = "{0}&include_rts=1&exclude_replies=1&count=5";
var timelineUrl = string.Format(timelineFormat, screenname);
HttpWebRequest timeLineRequest = (HttpWebRequest)WebRequest.Create(timelineUrl);
var timelineHeaderFormat = "{0} {1}";
timeLineRequest.Headers.Add("Authorization", string.Format(timelineHeaderFormat, twitAuthResponse.token_type, twitAuthResponse.access_token));
timeLineRequest.Method = "Get";
WebResponse timeLineResponse = timeLineRequest.GetResponse();
var timeLineJson = string.Empty;
using (timeLineResponse)
    using (var reader = new StreamReader(timeLineResponse.GetResponseStream()))
         timeLineJson = reader.ReadToEnd();

public class TwitAuthenticateResponse {
    public string token_type { get; set; }
    public string access_token { get; set; }

Method 2

Created a JS only solution to get Twitter posts on your site without using new API – can now specify number of tweets too:

All methods was sourced from or, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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