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/Activities HTTP/1.1
Host: data.regent-college.edu
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<CRMActivitiesRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.DynamicsCRM.Requests">
<end_version_number>0</end_version_number>
<start_version_number>0</start_version_number>
</CRMActivitiesRequest>
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<ArrayOfCRMActivityResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/regis.DynamicsCRM.Responses">
<CRMActivityResponse>
<activity_type>String</activity_type>
<added_by>String</added_by>
<added_date>0001-01-01T00:00:00</added_date>
<changed_by>String</changed_by>
<changed_date>0001-01-01T00:00:00</changed_date>
<description>String</description>
<end_date>0001-01-01T00:00:00</end_date>
<guid>String</guid>
<regarding_regent_id>0</regarding_regent_id>
<sort_date>0001-01-01T00:00:00</sort_date>
<start_date>0001-01-01T00:00:00</start_date>
<subject>String</subject>
<version_number>0</version_number>
</CRMActivityResponse>
</ArrayOfCRMActivityResponse>