curl --request POST \
  --url 'https://api.stateset.com/api/v1/reports/inventory-aging' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "as_of": null,
  "layers": [
    {
      "product_id": null,
      "quantity": "string",
      "received_at": "string",
      "sku": "string",
      "unit_cost": "string"
    }
  ]
}'

{
  "as_of": "string",
  "buckets": [
    {
      "label": "string",
      "max_days": null,
      "min_days": 1,
      "quantity": "string",
      "value": "string"
    }
  ],
  "total_quantity": "string",
  "total_value": "string"
}