curl --request POST \
  --url https://api.example.com/api/v2/billing-events/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "eventSlug": "<string>",
  "quantity": 1,
  "occurredAt": "2023-11-07T05:31:56Z",
  "workflowRunId": "<string>",
  "metadata": {}
}
'

{
  "idempotentReplay": true,
  "billingEvent": "<unknown>"
}