GLOBALUSERSTATE provides the required information on server connect, as does USERSTATE on channel join
emote-sets A comma-separated list of emotes, belonging to one or more emote sets. This always contains at least 0. Get Chat Emoticons by Set gets a subset of emoticons.
Don’t need a “higher scoped above chat” token from the user to call the API when you can use emote-sets provided by TwitchChat itself to you.