Create script or if you already have a script you’re okay.
Paste the code into ServerScriptService inside your game
local HttpService = game:GetService("HttpService") local apiUrl = "https://watchbat.dev/api/" local apiKey = "VALID_API_KEY" function checkUser(userId) local success, result = pcall(function() local url = apiUrl .. "?roblox=" .. userId .. "&key=" .. apiKey local response = HttpService:GetAsync(url) local data = HttpService:JSONDecode(response) return data.found end) return success and result or false end