{
    "status": "success",
    "message": "RichQuill Multi-Niche Tools & Utilities API is active.",
    "usage": {
        "calculate": "POST or GET with ?tool=<tool_name>&...",
        "email": "POST with ?tool=<tool_name>&action=email&email=user@example.com"
    },
    "categories": {
        "finance": [
            "loan-emi",
            "loan-compare",
            "loan-amortization",
            "early-repayment",
            "credit-card",
            "dti",
            "income-tax",
            "salary",
            "hourly-salary",
            "compound-interest",
            "currency",
            "zakat",
            "inflation",
            "cagr",
            "markup-margin",
            "stock-profit",
            "startup-cost",
            "break-even",
            "freelance-rate",
            "cash-flow-forecast",
            "marketing-roi",
            "employee-cost",
            "invoice-generator"
        ],
        "health": [
            "bmi",
            "water-intake",
            "calorie-needs"
        ],
        "productivity": [
            "word-counter",
            "password-generator",
            "unit-converter"
        ],
        "lifestyle": [
            "age-calc",
            "tip-calc",
            "cost-of-living"
        ]
    },
    "available_tools": [
        "loan-emi",
        "loan-compare",
        "loan-amortization",
        "early-repayment",
        "credit-card",
        "dti",
        "income-tax",
        "salary",
        "hourly-salary",
        "compound-interest",
        "currency",
        "zakat",
        "inflation",
        "cagr",
        "markup-margin",
        "stock-profit",
        "startup-cost",
        "break-even",
        "freelance-rate",
        "cash-flow-forecast",
        "marketing-roi",
        "employee-cost",
        "invoice-generator",
        "bmi",
        "water-intake",
        "calorie-needs",
        "word-counter",
        "password-generator",
        "unit-converter",
        "age-calc",
        "tip-calc",
        "cost-of-living"
    ]
}