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 /Finance/GraduationApplicationPayment/{uuid}/{year} HTTP/1.1 
Host: data.regent-college.edu 
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<FinanceGraduationApplicationPaymentRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.ClassLibrary.Requests">
  <free_application>false</free_application>
  <is_late>false</is_late>
  <pay_for_hood>false</pay_for_hood>
  <uuid>String</uuid>
  <year>0</year>
</FinanceGraduationApplicationPaymentRequest>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
(string)