curl --request POST \
  --url https://api.iotools.cloud/v1/tool/bond-equivalent-yield-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "faceValue": "10000",
  "purchasePrice": "9800",
  "daysToMaturity": "182",
  "currency": "USD"
}
'

{
  "tool": "bond-equivalent-yield-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "summary": [
      {
        "metric": "Face Value",
        "value": "$10,000.00"
      },
      {
        "metric": "Purchase Price",
        "value": "$9,800.00"
      },
      {
        "metric": "Discount",
        "value": "$200.00"
      },
      {
        "metric": "Days to Maturity",
        "value": "182"
      },
      {
        "metric": "Bond Equivalent Yield (365-day)",
        "value": "+4.093%"
      },
      {
        "metric": "Bank Discount Rate (360-day)",
        "value": "+3.956%"
      },
      {
        "metric": "Holding Period Return",
        "value": "+2.041%"
      },
      {
        "metric": "Effective Annual Yield",
        "value": "+4.135%"
      },
      {
        "metric": "Investment Quality",
        "value": "Moderate Yield"
      }
    ],
    "dayCountComparison": [
      {
        "day-count-basis": "360-day",
        "bank-discount-rate": "+3.956%",
        "bond-equivalent-yield": "+4.037%"
      },
      {
        "day-count-basis": "365-day",
        "bank-discount-rate": "+4.011%",
        "bond-equivalent-yield": "+4.093%"
      },
      {
        "day-count-basis": "366-day",
        "bank-discount-rate": "+4.022%",
        "bond-equivalent-yield": "+4.104%"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}