To override the Content-type in your clients, use the HTTP Accept Header, append  the .xml suffix or  ?format=xml
 
		
        
        HTTP + XML
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /GradeNotification HTTP/1.1 
Host: data.regent-college.edu 
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<GradeNotificationRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.ClassLibrary.Requests">
  <graded_date>0001-01-01T00:00:00</graded_date>
</GradeNotificationRequest>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<ArrayOfGradeNotificationResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.ClassLibrary.Responses">
  <GradeNotificationResponse>
    <course_name>String</course_name>
    <course_title>String</course_title>
    <grade_changed_date>0001-01-01T00:00:00</grade_changed_date>
    <is_closed>false</is_closed>
    <preferred_name>String</preferred_name>
    <student_email>String</student_email>
  </GradeNotificationResponse>
</ArrayOfGradeNotificationResponse>