curl --request GET \
  --url https://api.planetscale.com/v1/organizations/{organization}/invoices/{id}/line-items \
  --header 'Authorization: <api-key>'

{
  "current_page": 123,
  "next_page": 123,
  "next_page_url": "<string>",
  "prev_page": 123,
  "prev_page_url": "<string>",
  "data": [
    {
      "id": "<string>",
      "subtotal": 123,
      "description": "<string>",
      "metric_name": "<string>",
      "database_id": "<string>",
      "database_name": "<string>",
      "resource": {
        "id": "<string>",
        "name": "<string>",
        "created_at": "<string>",
        "updated_at": "<string>",
        "deleted_at": "<string>"
      }
    }
  ]
}