To override the Content-type in your clients, use the HTTP Accept Header, append the .xml suffix or ?format=xml
The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.
POST /xml/reply/signIn HTTP/1.1
Host: api.v3.monitorsystem.ru
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<signIn xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/">
<login>String</login>
<password>String</password>
</signIn>
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<signInResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/">
<return>
<PropertyChanged xmlns:d3p1="http://schemas.datacontract.org/2004/07/System.ComponentModel" i:nil="true" />
<errorField>String</errorField>
<statusField>false</statusField>
<statusFieldSpecified>false</statusFieldSpecified>
<dateTimeEndField>0</dateTimeEndField>
<dateTimeEndFieldSpecified>false</dateTimeEndFieldSpecified>
<sessionIdField>String</sessionIdField>
</return>
</signInResponse>