AspProcessJsonResult.asp

<script language="JScript" runat="server" src="/Scripts/json2.js"></script>
<%
dim url
url = "http://yoururl/jsonendpoint"
Set HttpReq = Server.CreateObject("MSXML2.ServerXMLHTTP")
HttpReq.open "POST", url, false
HttpReq.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
HttpReq.Send("Foo=bar")

'use json2 via jscript to parse the response
Set myJSON = JSON.parse(HttpReq.responseText)

response.write myJSON.Name & "<br />"
response.write myJSON.Address & "<br />"
response.write myJSON.ShoeSize & "<br />"
%>