Authorization: ********************curl --location 'https://api.neucron.io/v1/billing/credit/usage-graph?granularity=' \
--header 'X-Neucron-Business-ID;' \
--header 'X-Neucron-App-Secret;' \
--header 'Authorization: <api-key>'[
{
"date": "string",
"used": 0
}
]