title: API trading ebay bad request get call
body: <p>I need to call an index in ebay api tradding : getfeedback.</p>
  
  <p>i see this doc : <a href="https://developer.ebay.com/devzone/xml/docs/Concepts/MakingACall.html" rel="nofollow noreferrer">https://developer.ebay.com/devzone/xml/docs/Concepts/MakingACall.html</a></p>
  
  <p>so i need to use xml api production url so i get this url :</p>
  
  <pre><code>https://api.ebay.com/ws/api.dll
  </code></pre>
  
  <p>then i add my appid, version, call index, et user id like this : </p>
  
  <pre><code>"https://api.ebay.com/ws/api.dll?version=349&amp;appid=$MyAppId&amp;callname=GetFeedback&amp;UserId=fnac&amp;siteid=0"
  </code></pre>
  
  <p>And that return me a request error.
  What is wrong ?</p>