TuneAirPusher is targeted at broadcasters who are running their own infrastructure using Nicecast and use iTunes as Nicecast's source. It offers a simple methods to allow broadcasters and other publishers to:
TuneAirPusher will automatically follow what song is playing on iTunes app and submit currently playing title and artist name to TuneIn AIRAPI as "Recently started songs" in TuneIn's mobile app's front page automatically. You still need to request a partner ID and partner key for your station from TuneIn.
Instructions for use are available here.