Error :
Response to preflight request doesn\'t pass access control check: The \'Access-Control-Allow-Origin\' header contains multip
The headers you send to the server from Javascript, should be returned by the server. If you have no access to the server this will be impossible. This means the server accepts your domain as a legal processor.
Next to that you can try a JSONP call. Check this URL: https://learn.jquery.com/ajax/working-with-jsonp/