curl --request GET \
  --url https://api.helicone.ai/v1/stripe/subscription \
  --header 'authorization: <api-key>'

{
  "items": [
    {
      "price": {
        "product": {
          "name": "<string>"
        }
      },
      "quantity": 123
    }
  ],
  "trial_end": 123,
  "id": "<string>",
  "current_period_start": 123,
  "current_period_end": 123,
  "cancel_at_period_end": true,
  "status": "<string>"
}