Yeah you are on API v3 which is the current default.
Either do what you have done passing token and version as a query string argument, or pass them as header arguments; https://dev.twitch.tv/docs/v5/guides/using-the-twitch-api/
curl -H 'Accept: application/vnd.twitchtv.v5+json' \
-H 'Authorization: OAuth cfabdegwdoklmawdzdo98xt2fo512y' \
-X GET https://api.twitch.tv/kraken