(async function checkoutLinkOnly() {
  try {
    const session = await fetch('/api/auth/session').then((r) => r.json());
    const accessToken = session?.accessToken;
    if (!accessToken) {
      console.log('accessToken: null');
      return;
    }

    const payload = {
      plan_name: 'chatgptplusplan',
      billing_details: {
        country: 'ID',
        currency: 'IDR',
      },
      ca...