{
  "tool": "catalog-profit-check",
  "methodVersion": "1.1.0",
  "docs": "https://profitfirstppc.com/tools/catalog-profit-check/",
  "openapi": "https://profitfirstppc.com/api/openapi.json",
  "usage": "GET ?price=&fees=&cost= for one product's break-even ACoS, or POST { marginToKeep, products: [{ name, price, fees, cost, conversionRate, acos, adSales }] } for up to 500. Rates are fractions (0.22 = 22%).",
  "example": "/api/catalog-profit-check?price=39.99&fees=11.20&cost=9.50&conversion_rate=0.12&acos=0.22&ad_sales=18400"
}