Hello BarryCarlyon!
I am getting Unauthorized error, with status 401, OATH token is missing.
I have tried going inside POSTMAN, then inside Authorization get a new Token 
On my Get new Access token page, I have the following
Token Name : API Token
Grant Type Authorization Code
Callback url : Blank
Auth URL : http://api.twitch.tv/helix/streams
Access Token URL : same as above
Client ID : my client id
Client Secret: my secret
Scope: streams
State: empty
Client Authentication : Basic header
Whatever I do I still get errors…