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 /DynamicsCRM/Connections HTTP/1.1 
Host: data.regent-college.edu 
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<CRMConnectionsRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.DynamicsCRM.Requests">
  <regent_id>0</regent_id>
</CRMConnectionsRequest>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<ArrayOfCRMConnectionResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.DynamicsCRM.Responses">
  <CRMConnectionResponse>
    <connected_regent_id>0</connected_regent_id>
    <connection_name>String</connection_name>
    <description>String</description>
    <end_date>0001-01-01T00:00:00</end_date>
    <reciprocal_connection_name>String</reciprocal_connection_name>
    <regent_id>0</regent_id>
    <start_date>0001-01-01T00:00:00</start_date>
  </CRMConnectionResponse>
</ArrayOfCRMConnectionResponse>