{
  "endpoint": "/api/bmi-calculator",
  "method": "GET",
  "description": "Calculates the Body Mass Index (BMI) and categorization.",
  "parameters": {
    "weightKg": { "type": "number", "required": true },
    "heightCm": { "type": "number", "required": true }
  },
  "formulas": {
    "bmi": "weightKg / (heightCm / 100)^2"
  },
  "sample_response": {
    "bmi": 23.1,
    "category": "Healthy Weight",
    "statusClass": "healthy"
  }
}