Bootstrap and Twitch-Livestream

API
2

Not sure what you are after here.

Sounds more Bootstrap Support that TwitchAPi

You after:

and

So something like:

<script src="https://embed.twitch.tv/embed/v1.js"></script>
<div class="embed-responsive embed-responsive-16by9" id="alivestream"></div>
<script type="text/javascript">
  new Twitch.Embed("alivestream", {
    width: '100%',
    height: '100%',
    channel: "monstercat"
  });
</script>