r.png')
};

visual_recognition.classify(params, function(err, res) {
  if (err)
    console.log(err);
  else
    console.log(JSON.stringify(res, null, 2));
});</code></pre><h2>Unauthenticated requests</h2><p>By default, the library tries to use Basic Auth and will ask for <code>api_key</code> or <code>username</code> and <code>password</code> and send an <code>Authorization: Basic XXXXXXX</code>. You can avoid this by using:</p>
<p><code>use_unauthenticated</code>.</p>
<pre class="prettyprint source lang-ja