Комбинация аутентификации OpenID & Facebook

    private void TestApi()
    {
        try
        {
                 using (var httpClient = new HttpClient())
                {

                    string URI = string.Empty;

                    string progressAPI = "api/GetNearBeacons";

                    var baseUrl = @"http://localhost/sample";

                    var uriBuilder = new UriBuilder(baseUrl)
                    {
                        Scheme = Uri.UriSchemeHttp
                    };

                    httpClient.BaseAddress = uriBuilder.Uri;

                    httpClient.DefaultRequestHeaders.Accept.Clear();

                    httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

                    HttpResponseMessage response = httpClient.GetAsync(progressAPI).Result;

                    response.EnsureSuccessStatusCode();

                    if (response.IsSuccessStatusCode)
                    {
                        WriteErrorLog("Api called successfully StatusCode :" + response.StatusCode + Environment.NewLine);
                    }
                    else
                    {
                        WriteErrorLog("Api Calling Failed StatusCode :" + response.StatusCode + Environment.NewLine);
                    }
                }

        }
        catch (WebException ex)
        {
            WriteErrorLog(ex.GetBaseException().ToString());
        }
        catch (Exception ex)
        {
            WriteErrorLog(ex.GetBaseException().ToString());
        }
    }