http://blogs.msdn.com/b/gblock/archive/2011/05/09/hypermedia-and-forms.aspxUpdated (with a lot of new content) One challenge when building REST based systems is how can the client determine what it can do next? There can be any number of clients each which need to interact with a system. How do they know HOW to interact? TheenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/gblock/archive/2011/05/09/hypermedia-and-forms.aspx#10239607Tue, 22 Nov 2011 15:48:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:10239607Piers Lawson<p>You could also support the Allow header <a rel="nofollow" target="_new" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.7">www.w3.org/.../rfc2616-sec14.html</a> which informs the client what they can do with a particular resource.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10239607" width="1" height="1">