curl --request POST \
  --url 'https://api.stateset.com/api/v1/reports/transaction-cogs' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "from": "string",
  "lines": [
    {
      "cost": "string",
      "product_id": null,
      "quantity": "string",
      "revenue": "string",
      "sku": "string",
      "transaction_date": "string"
    }
  ],
  "to": "string"
}'

{
  "from": "string",
  "gross_margin": "string",
  "gross_margin_pct": "string",
  "rows": [
    {
      "cogs": "string",
      "gross_margin": "string",
      "quantity": "string",
      "revenue": "string",
      "sku": "string"
    }
  ],
  "to": "string",
  "total_cogs": "string",
  "total_revenue": "string"
}