Here's an example using the stuff to grab uptime.

Code:
alias startTime {
  var %j = streamUptime
  JSONOpen -duw %j https://api.twitch.tv/kraken/streams/ $+ $1 $+ ?= $+ $ticks
  JSONUrlMethod %j GET
  JSONUrlHeader %j Client-ID: %clientID
  JSONUrlGet %j
  var %uptime = $ctime($replace($json(%j,stream,created_at),T,$chr(32),Z,))
  return %uptime
}