The right content-type for an Atom feed HTTP response is application/atom+xml.

The correct content-type for an Atom feed is:

application/atom+xml

So a full HTTP response header would be:

Content-Type: application/atom+xml

This indicates that the response contains an Atom feed XML document.

The right content-type for an Atom feed HTTP response is "application/atom+xml".

application/atom+xml

The appropriate content type for an Atom Feed HTTP response would likely be "application/atom+xml". This XML format specifies how the message should be formatted as data within the atom stream of messages sent between your application and its clients over the internet.

I want to serve up a JSON representation of my blog posts as XML. I can use "application/atom+xml" which is what most people seem to recommend, but it seems like that should be reserved for RSS feeds only (and there are other options such as application/json). Is there any particular reason this one works better than others? Or maybe something else entirely?

xml