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 /metadatatest HTTP/1.1
Host: test.servicestack.net
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<MetadataTest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Test.ServiceModel">
<Id>0</Id>
</MetadataTest>
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<MetadataTestResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Test.ServiceModel">
<Id>0</Id>
<Results>
<MetadataTestChild>
<Name>String</Name>
<Results>
<MetadataTestNestedChild>
<Name>String</Name>
</MetadataTestNestedChild>
</Results>
</MetadataTestChild>
</Results>
</MetadataTestResponse>