This isn't the right forum for this question, but I believe that what you're looking for is here:<br><br>http://developer.yahoo.com/oauth/<br><br><div class="quote "><div class="quotetop ">QUOTE<cite>(ç @ 16 Sep 2011 1:14 AM)</cite><blockquote class="quotemain">As I know, yahoo! provide something called "Yahoo! Mobile Third-Party Server Authentication", and I found this in one document:<br><br>"This document explains how mobile-device applications integrate with Yahoo! security and login services<div>through server-to-server authentication--where the client device communicates directly with the partner's<div>server, which in turn communicates with Yahoo! servers. It provides general guidelines; applications have<div>different security requirements and must be considered individually. Approval of an application requires a<div>review of its design and implementation, both in the initial stages of integration and immediately beforelaunch."<br><br>So, if I want to use this, how can I get the parted ID and shared secrets mentioned from Yahoo! then? <br>Thanks very much for any reply.<br><br>Sam from China</div></div></div></div></blockquote></div></div>