curl --request GET \
  --url https://{operatorDomain}/v1/admin/finance/invoices/{id}/credit-notes/{creditNoteId}/line-items \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "invoiceId": "<string>",
      "description": "<string>",
      "totalCents": 119000,
      "currency": "<string>",
      "quantity": 1,
      "unitPriceCents": 100000,
      "taxRateBasisPoints": 1900
    }
  ]
}