A public API method for retrieving metadata and playback info for each video in a playlist. If you want to call this method from client side javascript it also has support for JSONP through the 'callback' parameter.
No authentication required!
https://streamio.com/api/v1/playlists/playlist_id/videos.format
GET
200
Just GET it.
curl https://streamio.com/api/v1/playlists/4e9ec30d11581e188b000007/videos.json
Prepare a javascript function to be used as a JSONP callback and provide the function name as a parameter.
curl https://streamio.com/api/v1/playlists/4e9ec30d11581e188b000007/videos.json?callback=myAwesomeCallback