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        HttpWebRequest wr = (HttpWebRequest)HttpWebRequest.Create(new Uri("https://sharepointurl/_api/lists/"));
        wr.Credentials = CredentialCache.DefaultNetworkCredentials;
        var v = wr.GetResponse();

On executing the request, I get a HTTP 500 error.

The URL returns the data successfully in IE

Any pointers as to whats wrong?

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  • Can you do a capture or get more details regarding the response via debugging? What do your HTTP headers look like for this request?
    – Robert Kaucher
    Commented Aug 20, 2013 at 15:20
  • Strange, that code snippet works for me. What if you specify the credentials: CredentialCache creds = new CredentialCache(); creds.Add(new Uri(reqUrl), "NTLM", new NetworkCredential("username", "password", "domain")); wr.Credentials = creds;
    – Omar Stewey
    Commented Sep 4, 2014 at 13:17

1 Answer 1

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More than likely, you are missing some required headers. Did you look at the error message associated with the 500 code? To do that you should a program like fiddler.

Also, check out the documentation here: http://msdn.microsoft.com/en-us/library/office/apps/jj164022.aspx. It describes out to use the 2013 REST API and documents the use of the headers you need.

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