This is the endpoint that allows you to search on TuneIn.
<opml version="1">
<head>
<title>Search Results: GitFM</title>
<status>200</status>
</head>
<body>
<outline type="link" text="Artist: GitFM" URL="http://opml.radiotime.com/Browse.ashx?id=a123456" guide_id="a123456" image="http://cdn-albums.tunein.com/gn/example.jpg" has_profile="false"/>
<outline type="audio" text="GitFM" URL="http://opml.radiotime.com/Tune.ashx?id=a12345" bitrate="128" reliability="99" guide_id="a12345" subtext="Octo - Git gud" genre_id="g61" formats="mp3" playing="Octo - Git gud" show_id="p1234567" item="station" image="http://cdn-profiles.tunein.com/a12345/images/logoq.jpg?t=123456" current_track="C-Section" now_playing_id="a12345" preset_id="a12345"/>
</body>
</opml>
<opml version="1">
<head>
<title>Search Results: GitFM</title>
<status>200</status>
</head>
<body>
<outline type="text" text="No results for GitFM"/>
</body>
</opml>
Genre IDs and their meanings.
Outline attributes and their meanings.