{
  "tool": "when-to-negate",
  "methodVersion": "1.1.0",
  "docs": "https://profitfirstppc.com/tools/when-to-negate/",
  "openapi": "https://profitfirstppc.com/api/openapi.json",
  "usage": "Pass clicks, orders, spend and profit_per_order (or price + break_even_acos). Optional: confidence (0.8, 0.9 or 0.95; default 0.95), search_term. POST { defaults, terms: [...] } checks up to 500 terms.",
  "example": "/api/when-to-negate?clicks=24&orders=0&spend=28.80&profit_per_order=19.29"
}