curl --request POST \
  --url https://api.iotools.cloud/v1/tool/black-scholes-option-pricing-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "spotPrice": "100",
  "strikePrice": "100",
  "daysToExpiry": "365",
  "volatility": "20",
  "riskFreeRate": "5",
  "dividendYield": "0"
}
'

{
  "tool": "black-scholes-option-pricing-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "result": [
      {
        "metric": "d1",
        "value": "0.3500"
      },
      {
        "metric": "d2",
        "value": "0.1500"
      },
      {
        "metric": "Call Price",
        "value": "$10.4506"
      },
      {
        "metric": "Call Delta",
        "value": "0.6368"
      },
      {
        "metric": "Call Theta (per day)",
        "value": "-$0.0176"
      },
      {
        "metric": "Call Rho (per 1%)",
        "value": "$0.5323"
      },
      {
        "metric": "Call Breakeven",
        "value": "$110.4506"
      },
      {
        "metric": "Call Intrinsic Value",
        "value": "$0.0000"
      },
      {
        "metric": "Call Time Value",
        "value": "$10.4506"
      },
      {
        "metric": "Put Price",
        "value": "$5.5735"
      },
      {
        "metric": "Put Delta",
        "value": "-0.3632"
      },
      {
        "metric": "Put Theta (per day)",
        "value": "-$0.0045"
      },
      {
        "metric": "Put Rho (per 1%)",
        "value": "-$0.4189"
      },
      {
        "metric": "Put Breakeven",
        "value": "$94.4265"
      },
      {
        "metric": "Put Intrinsic Value",
        "value": "$0.0000"
      },
      {
        "metric": "Put Time Value",
        "value": "$5.5735"
      },
      {
        "metric": "Gamma",
        "value": "0.018762"
      },
      {
        "metric": "Vega (per 1%)",
        "value": "$0.3752"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}