How to access cookies in the Next.js API

const getOrder = async (token, order_no) => {
  return await 
   fetch(`${process.env.NEXT_PUBLIC_API_HOST}/front/order/${order_no}`, {
    headers: {
      Authorization: `Bearer ${token}`,
      Accept: "application/json"
    }
  }).then(res => res.json()).then(data => data)
}

export default async function handler(req, res) {
  const { order_no } = req.query
  const token = "How do I access cookies????"

  const order = await getOrder(token, order_no)
     try {
       res.status(200).json({ ...order })
     } } catch (err) {
       res.status(200).json({ err })
     }
   }