Plutonium

@Chase said in Please help: You can check the API for yourself: https://plutonium.pw/api/servers brother and no api knowledge that uses plutonium authentication

IMHO All you could do is to proxy (+cache) it to the internet, all important traffic is TCP anyways. (or run stuff in offline mode but that would open up the whole thing to cheaters and players using different versions that cause bugs.) Also the forum's language is English.