POSTs are not by definition idempotent. You can make a server response to a POST be idempotent but when you want multiple identical requests to have different e

POSTs are not by definition idempotent. You can make a server response to a POST be idempotent but when you want multiple identical requests to have different effects, POST is the method to use (vs. GET, PUT, DELETE, etc.) http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html