Valid OAuth token with bits:read scope required

[BarryCarlyon]

@geraltofzero

curl -X GET “https://id.twitch.tv/oauth2/authorize?response_type=code&client_id=ckuuado6ptj1vkb1t3fc1e6rhn4sji&redirect_uri=http://localhost&scope=bits:read”

You need to redirect the User to this URL in order to authenticate.
You should not perform a cURL fetch upon it.