The LabelGrid WordPress Plugin automatically enables a JSON feed for Releases.
Having all your release details available in a JSON feed can be used in many ways. For example, you can develop 3rd party applications using LabelGrid data, which gives you access to countless possibilities.
Supports HTTP GET or POST
Show only the releases for the specified day.
Filter the result showing only certain record labels
If set to "future" will only show unreleased releases.