To override the Content-type in your clients, use the HTTP Accept Header, append  the .soap11 suffix or  ?format=soap11
        
        HTTP + SOAP11
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /soap11 HTTP/1.1 
Host: api.sanctionssearch.com 
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: DeleteSubUser
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<DeleteSubUser xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.servicestack.net/types">
  <Authentication>
    <ApiUserId>String</ApiUserId>
    <ApiUserKey>String</ApiUserKey>
    <UserId>String</UserId>
  </Authentication>
  <DeleteUserId>00000000-0000-0000-0000-000000000000</DeleteUserId>
  <TransferToUserId>00000000-0000-0000-0000-000000000000</TransferToUserId>
</DeleteSubUser>
</soap:Body>
</soap:Envelope>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<DeleteSubUserResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.servicestack.net/types">
  <Data>
    <ResponseStatus>
      <ErrorCode>String</ErrorCode>
      <Message>String</Message>
      <StackTrace>String</StackTrace>
      <Errors>
        <ResponseError>
          <ErrorCode>String</ErrorCode>
          <FieldName>String</FieldName>
          <Message>String</Message>
          <Meta xmlns:d6p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
            <d6p1:KeyValueOfstringstring>
              <d6p1:Key>String</d6p1:Key>
              <d6p1:Value>String</d6p1:Value>
            </d6p1:KeyValueOfstringstring>
          </Meta>
        </ResponseError>
      </Errors>
      <Meta xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
        <d4p1:KeyValueOfstringstring>
          <d4p1:Key>String</d4p1:Key>
          <d4p1:Value>String</d4p1:Value>
        </d4p1:KeyValueOfstringstring>
      </Meta>
    </ResponseStatus>
    <Success>false</Success>
  </Data>
</DeleteSubUserResponse>
</soap:Body>
</soap:Envelope>