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 /customers HTTP/1.1
Host: northwind.netcore.io
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<GetAllCustomers xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Northwind.ServiceModel" />
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<CustomersResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Northwind.ServiceModel">
<ResponseStatus xmlns:d2p1="http://schemas.servicestack.net/types">
<d2p1:ErrorCode>String</d2p1:ErrorCode>
<d2p1:Message>String</d2p1:Message>
<d2p1:StackTrace>String</d2p1:StackTrace>
<d2p1:Errors>
<d2p1:ResponseError>
<d2p1:ErrorCode>String</d2p1:ErrorCode>
<d2p1:FieldName>String</d2p1:FieldName>
<d2p1:Message>String</d2p1:Message>
<d2p1:Meta xmlns:d5p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
<d5p1:KeyValueOfstringstring>
<d5p1:Key>String</d5p1:Key>
<d5p1:Value>String</d5p1:Value>
</d5p1:KeyValueOfstringstring>
</d2p1:Meta>
</d2p1:ResponseError>
</d2p1:Errors>
<d2p1:Meta xmlns:d3p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
<d3p1:KeyValueOfstringstring>
<d3p1:Key>String</d3p1:Key>
<d3p1:Value>String</d3p1:Value>
</d3p1:KeyValueOfstringstring>
</d2p1:Meta>
</ResponseStatus>
<Results xmlns:d2p1="http://schemas.datacontract.org/2004/07/Northwind.ServiceModel.Types">
<d2p1:Customer>
<d2p1:Address>String</d2p1:Address>
<d2p1:City>String</d2p1:City>
<d2p1:CompanyName>String</d2p1:CompanyName>
<d2p1:ContactName>String</d2p1:ContactName>
<d2p1:ContactTitle>String</d2p1:ContactTitle>
<d2p1:Country>String</d2p1:Country>
<d2p1:Fax>String</d2p1:Fax>
<d2p1:Id>String</d2p1:Id>
<d2p1:Phone>String</d2p1:Phone>
<d2p1:PostalCode>String</d2p1:PostalCode>
<d2p1:Region>String</d2p1:Region>
</d2p1:Customer>
</Results>
</CustomersResponse>