title: Authentication information is not given in the correct format. Check the value of Authorization header in Azure Ratecard Apis
body: <p>To fetch rate card, i'm using below api.</p>
  
  <pre><code>https://management.azure.com/subscriptions/{subscription-id}/providers/Microsoft.Commerce/RateCard?api-version=2015-06-01-preview&amp;$filter=OfferDurableId+eq+{offer-id}+and+Currency+eq+'USD'+and+Locale+eq+'en-US'+and+RegionInfo+eq+'IN'
  </code></pre>
  
  <p>I was passing Authorization Header with value "Bearer eyioe..." in the request.
  It was working earlier, but recently getting the below response</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;Error&gt;
      &lt;Code&gt;InvalidAuthenticationInfo&lt;/Code&gt;
      &lt;Message&gt;Authentication information is not given in the correct format. Check the value of Authorization header.
  RequestId:5dc4ea49-b01e-00f9-6760-dcfb83000000
  Time:2018-04-25T06:42:45.8106146Z&lt;/Message&gt;
  &lt;/Error&gt;
  </code></pre>