Heres a Fetch example
fetch(
'https://api.twitch.tv/kraken/videos/SOMEID',
{
headers: {
'client-id': 'SOMECLIENTID',
'accept': 'application/vnd.twitchtv.v5+json'
}
}
)
.then(resp => { return resp.json() })
.then(resp => { console.log(resp) })
.catch(err => { console.log(err) });