curl --location 'https://stg-gateway.invora.app/api/billing/v2/credit-notes/estimate' \
--header 'Content-Type: application/json' \
--data '{
"invoiceId": "string",
"items": [
{
"amountCents": "string",
"feeId": "string"
}
],
"readMask": "string",
"view": "VIEW_UNSPECIFIED"
}'