index.js

const express = require('express');
const { exec } = require('child_process');

const app = express();
const PORT = 7860;

app.all('/', (_, res) => {
  exec(
    `curl -s -A "Mozilla/5.0 (Linux; Android 10; Mobile)" https://growtopiagame.com/detail`,
    (err, stdout) => {
      const match = stdout.match(/"online_user"\s*:\s*"(\d+)"/);
      const online = match?.[1];

      console.log(stdout)
      res.send(stdout)
    }
  );
});

app.listen(PORT, () => console.log(`Listening on ${PORT}`));