To override the Content-type in your clients, use the HTTP Accept Header, append the .soap12 suffix or ?format=soap12
The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.
POST /soap12 HTTP/1.1
Host: api.vitalware.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
<soap12:Body>
<Entity xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/ServiceStack">
<AddressSecond>String</AddressSecond>
<AddressStreet>String</AddressStreet>
<City>String</City>
<EmailAddress>String</EmailAddress>
<EntityName>String</EntityName>
<IsTest>false</IsTest>
<IsTrial>false</IsTrial>
<ParentEntityId>0</ParentEntityId>
<PhoneExt>String</PhoneExt>
<PhoneNumber>String</PhoneNumber>
<PostalCode>String</PostalCode>
<State>String</State>
<Url>String</Url>
</Entity>
</soap12:Body>
</soap12:Envelope>
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
<soap12:Body>
<EntityResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/ServiceStack">
<EntityId>0</EntityId>
<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:ResponseError>
</d2p1:Errors>
</ResponseStatus>
</EntityResponse>
</soap12:Body>
</soap12:Envelope>