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

{
  "customers": [
    {
      "current": "string",
      "customer_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "customer_name": "Ada Lovelace",
      "days_1_30": "string",
      "days_31_60": "string",
      "days_61_90": "string",
      "days_over_90": "string",
      "invoice_count": 1,
      "total_outstanding": "string"
    }
  ],
  "total": 102
}