curl --request GET \
  --url 'https://api.stateset.com/api/v1/ar/dunning/due' \
  --header "Authorization: Bearer $STATESET_API_KEY"

{
  "invoices": [
    {
      "balance_due": "string",
      "customer_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "due_date": "2026-08-31T14:22:05Z",
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "invoice_number": "ORD-10042",
      "status": "pending",
      "total": "102.12"
    }
  ],
  "total": 102
}