const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('http://localhost:4000/v1/products/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request GET \
  --url http://localhost:4000/v1/products/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "prod_9Xk2mQ1pL0vRsT",
  "object": "product",
  "name": "<string>",
  "description": "<string>",
  "rate_usd_per_second": "0.004",
  "rate_per_second_wei": "4000",
  "currency": "ausd",
  "allow_pause": true,
  "start_mode": "checkout",
  "active": true,
  "active_subscriptions": 123,
  "livemode": true,
  "created": 123
}

{
  "error": {
    "type": "api_error",
    "message": "<string>",
    "code": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "api_error",
    "message": "<string>",
    "code": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "api_error",
    "message": "<string>",
    "code": "<string>",
    "param": "<string>"
  }
}