Soundcloud API for uploading files has stopped working with 401 error
<p>I'm not exactly sure when this stopped working, but until recently my application had no trouble uploading tracks to Soundcloud. Now, after uploading a track (using POST), I get a 401 unauthorized response from the server. The file <em>has</em> actually been uploaded successfully, and I can see it on the user's home page.</p>

<p>Additionally, I am not getting error messages for any other interactions such as authorizing etc.</p>