In a larger project I am having trouble getting a WCF service method to consume a JSON parameter. So I produced a smaller test case and the behaviour is echoed. If I debug t
I got the same problems (405 methods not allowed) using WCF POST JSON data. I found on this article below
http://blog.weareon.net/calling-wcf-rest-service-from-jquery-causes-405-method-not-allowed/
Hope this help!