{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/loan-payment-table-generator/schema.json",
  "title": "Loan Payment Table Generator inputs",
  "description": "Generate a comparison grid of periodic payments across multiple interest rates and loan terms.",
  "type": "object",
  "properties": {
    "loanAmount": {
      "title": "Loan amount",
      "type": "number",
      "default": 250000,
      "minimum": 0.01,
      "x-step": 1000,
      "multipleOf": 1000,
      "x-unit": "currency"
    },
    "annualRates": {
      "title": "Annual rates (%)",
      "type": "string",
      "default": "5, 6, 7, 8"
    },
    "termsYears": {
      "title": "Terms in years",
      "type": "string",
      "default": "15, 20, 30"
    },
    "paymentsPerYear": {
      "title": "Payments per year",
      "type": "number",
      "default": 12,
      "minimum": 1,
      "maximum": 365,
      "x-step": 1,
      "multipleOf": 1
    }
  },
  "required": [
    "loanAmount",
    "annualRates",
    "termsYears",
    "paymentsPerYear"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/loan-payment-table-generator/",
    "queryExample": "https://askcalculators.com/calculator/loan-payment-table-generator/?loanAmount=250000&annualRates=5%2C+6%2C+7%2C+8&termsYears=15%2C+20%2C+30&paymentsPerYear=12",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "payment = principal × i ÷ [1 − (1+i)^−n] for each rate-and-term combination"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/loan-payment-table-generator.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "1.0.0",
      "referenceCoverage": "references-pending",
      "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
      "historicalMetadataDate": "2026-09-01",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "scenarioCount": {
        "title": "Payment scenarios",
        "type": "number",
        "x-format": "integer",
        "x-primary": true
      },
      "lowestPayment": {
        "title": "Lowest periodic payment",
        "type": "number",
        "x-format": "currency"
      },
      "highestPayment": {
        "title": "Highest periodic payment",
        "type": "number",
        "x-format": "currency"
      },
      "loanAmountOutput": {
        "title": "Compared loan amount",
        "type": "number",
        "x-format": "currency"
      }
    }
  }
}