Validate is working:
Authorization: OAuth user_access_token
https://id.twitch.tv/oauth2/validate
“200 OK” and all information (id, login, expires etc).
But request:
Authorization: bearer user_access_token
Client-ID: client_id
https://api.twitch.tv/helix/users/follows?from_id=MY_ID&first=25
“401 OAuth token is missing”.