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Editorial Team
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Asked: 2026-05-22T22:59:55+00:00

I am building a console app that will publish streams to a page’s wall.

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I am building a console app that will publish streams to a page’s wall.

Issue: I’m getting “The user hasn’t authorized the application to perform this action”. I’m using opengraph to get the access token.

Am I missing something? Any help is greatly appreciated. Thanks!

// constants
string apiKey = "XXX";
string secret = "XXX";
string pageId = "XXX";

// get access token
string url = string.Format("https://graph.facebook.com/oauth/access_token?client_id={0}&client_secret={1}&grant_type=client_credentials", apiKey, secret); // todo: figure out open graph url
WebRequest req = WebRequest.Create(url);
WebResponse resp = req.GetResponse();
StreamReader reader = new StreamReader(resp.GetResponseStream());
string respStr = reader.ReadToEnd();
string accessToken = respStr.Replace("access_token=", "");

// construct the post
dynamic messagePost = new ExpandoObject();
messagePost.access_token = accessToken;
messagePost.picture = "www.google.com/pic.png";
messagePost.link = "www.google.com";
messagePost.name = "some name";
messagePost.captiion = "some caption";
messagePost.description = "some description";
messagePost.req_perms = "publish_stream";
messagePost.scope = "publish_stream";

// using client
FacebookClient client = new FacebookClient(accessToken);

try // to post the post to the page's wall
{
    var result = client.Post(string.Format("/{0}/feed", pageId), messagePost); 
}
    catch (FacebookOAuthException ex)
{
    // getting caught here, with error msg = "The user hasn't authorized the application to perform this action"
}
catch (FacebookApiException ex)
{
    // ignore
}
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1 Answer

  1. Editorial Team

    After visiting the following links, I was able to run the code and have it successfully publish to the page’s wall, after which it shows up in the Likers’ news feeds.

    http://www.facebook.com/login.php?api_key={API_KEY_GOES_HERE}&next=http://www.facebook.com/connect/login_success.html&req_perms=read_stream,publish_stream

    http://www.facebook.com/connect/prompt_permissions.php?api_key={API_KEY_GOES_HERE}&next=http://www.facebook.com/connect/login_success.html?xxRESULTTOKENxx&display=popup&ext_perm=publish_stream&profile_selector_ids={PAGE_ID_GOES_HERE}

    Thanks to the answer on Authorizing a Facebook Fan Page for Status Updates

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