Status of response pairs

Posted in General by David Thu Jan 19 2017 00:35:50 GMT+0000 (Coordinated Universal Time)·Viewed 890 times implies that response pairs can do some nifty things, but I don't really understand from that page how to use them. Also in playing around I don't seem to be able to get a POST callback to my server, still just a GET. Are these things ready yet?
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