billing_portal_redirect.js

const f = async () => {
	try {
	  const res = await stripe.billingPortal.sessions.create({
		  customer: cus,
		  return_url: 'https://pay.cjavilla.com'
	  })
		return  {
      statusCode: 200,
      body: JSON.stringify(res),
    };
  } catch(e) {
	  return  {
      statusCode: 422,
      body: JSON.stringify(e),
    };
  }
};
f();