I'm not asking how to detect duplicate POST requests. I'm asking if we are supposed to. According to RFC 2616 (section 9.5), POST is used to submit some sort of record/resource/data to the server ...

POST requests make sense for packing tracking, you know, because of definition of postal. Okay bad joke but it is true, Google's package tracking API is now only accepting POST requests.

Each time an app does this, it makes a request to the API. So, whenever you want to view a post, the third-party app requests that post from Reddit, and if you want to comment, it sends that back ...

XHR allows JavaScript in the browser to conduct a sub-request for querying an online resource API and retrieve information to produce content “on the fly.” Some POST Requests Now Work with ...