curl --request GET \
  --url https://api.example.com/api/billing/usage \
  --cookie better-auth.session_token=

[
  {
    "id": "<string>",
    "ledgerId": "<string>",
    "resourceType": "<string>",
    "resourceId": "<string>",
    "ownerType": "user",
    "ownerId": "<string>",
    "billingType": "hourly",
    "quantity": 123,
    "ratePerUnit": 123,
    "amount": 123,
    "currency": "<string>",
    "invoiceId": "<string>",
    "recordedAt": "<string>"
  }
]