curl --request POST \
  --url https://api.iotools.cloud/v1/tool/emi-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "loanAmount": "12000",
  "interestRate": "9.5",
  "tenure": "12",
  "tenureUnit": "months",
  "calcMethod": "reducing"
}
'

{
  "tool": "emi-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "emiSummary": "=== EMI Results ===\n  Monthly EMI:              $1,052.20\n  Total Interest Payable:   $626.43\n  Total Amount Payable:     $12,626.43\n  Principal Amount:         $12,000.00\n  Interest-to-Principal:    0.05 : 1\n\n=== Loan Details ===\n  Loan Amount:              $12,000.00\n  Annual Interest Rate:     9.50%\n  Loan Tenure:              12.00 months (12 months)\n  Calculation Method:       Reducing Balance\n\n=== Formula ===\n  EMI = P x r x (1+r)^n / ((1+r)^n - 1)\n  P = $12,000.00, r = 9.50%/12/100 = 0.007917\n  n = 12 months",
    "amortization": [
      {
        "month": "1",
        "emi": "$1,052.20",
        "principal": "$957.20",
        "interest": "$95.00",
        "balance": "$11,042.80"
      },
      {
        "month": "2",
        "emi": "$1,052.20",
        "principal": "$964.78",
        "interest": "$87.42",
        "balance": "$10,078.02"
      },
      {
        "month": "3",
        "emi": "$1,052.20",
        "principal": "$972.42",
        "interest": "$79.78",
        "balance": "$9,105.60"
      },
      {
        "month": "4",
        "emi": "$1,052.20",
        "principal": "$980.12",
        "interest": "$72.09",
        "balance": "$8,125.48"
      },
      {
        "month": "5",
        "emi": "$1,052.20",
        "principal": "$987.88",
        "interest": "$64.33",
        "balance": "$7,137.61"
      },
      {
        "month": "6",
        "emi": "$1,052.20",
        "principal": "$995.70",
        "interest": "$56.51",
        "balance": "$6,141.91"
      },
      {
        "month": "7",
        "emi": "$1,052.20",
        "principal": "$1,003.58",
        "interest": "$48.62",
        "balance": "$5,138.33"
      },
      {
        "month": "8",
        "emi": "$1,052.20",
        "principal": "$1,011.52",
        "interest": "$40.68",
        "balance": "$4,126.81"
      },
      {
        "month": "9",
        "emi": "$1,052.20",
        "principal": "$1,019.53",
        "interest": "$32.67",
        "balance": "$3,107.28"
      },
      {
        "month": "10",
        "emi": "$1,052.20",
        "principal": "$1,027.60",
        "interest": "$24.60",
        "balance": "$2,079.68"
      },
      {
        "month": "11",
        "emi": "$1,052.20",
        "principal": "$1,035.74",
        "interest": "$16.46",
        "balance": "$1,043.94"
      },
      {
        "month": "12",
        "emi": "$1,052.20",
        "principal": "$1,043.94",
        "interest": "$8.26",
        "balance": "$0.00"
      },
      {
        "month": "Year 1 total",
        "emi": "$12,626.43",
        "principal": "$12,000.00",
        "interest": "$626.43",
        "balance": ""
      }
    ],
    "prepayment": "",
    "comparison": ""
  },
  "credits_used": 3,
  "credits_remaining": null
}