I was about to leave a very witty "just be idempotent ;)" response but did not consider the nonce. I'd be surprised if Google is quick to change this, so I gues

I was about to leave a very witty "just be idempotent ;)" response but did not consider the nonce. I'd be surprised if Google is quick to change this, so I guess be stateful on the receiving server, persist that you handled a certain request already, and if you get a duplicate request, replay the response from the first one?