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Eden Engine

Estimated Car Loan Payment (by VIN)

omnial/get-estimated-payment

Given a VIN from an active CARFAX listing, returns an estimated monthly car payment for that listing: the vehicle price, loan amount, down payment amount and percent, interest rate, and loan term, using standard assumptions (10% down, a current market rate, and a 60-month term). A VIN with no currently active listing returns an empty result rather than an error.

activeper callv1
Provider
Web & Business Data Network
Category
automotive
Provider price
$0.01365 per call
Latency p50 / p95
— / —
Success rate
—
Verified
—

Provider list price; Omnial MCP charges provider cost plus a platform markup on top.

Contract

input_schema.json
{
  "type": "object",
  "required": [
    "vin"
  ],
  "properties": {
    "vin": {
      "type": "string",
      "description": "Vehicle Identification Number (VIN) of an active CARFAX listing. Obtain from search_used_car_listings results."
    }
  },
  "additionalProperties": false
}
output_schema.json
{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "price": {
          "type": "number",
          "description": "The vehicle's price in USD."
        },
        "loanAmount": {
          "type": "number",
          "description": "Price minus down payment, in USD."
        },
        "interestRate": {
          "type": "number",
          "description": "Assumed annual interest rate, as a percent."
        },
        "termInMonths": {
          "type": "number",
          "description": "Assumed loan term in months."
        },
        "monthlyPayment": {
          "type": "number",
          "description": "The estimated monthly payment, in USD."
        },
        "downPaymentAmount": {
          "type": "number",
          "description": "Assumed down payment, in USD."
        },
        "downPaymentPercent": {
          "type": "number",
          "description": "Assumed down payment, as a percent."
        }
      },
      "description": "Present only when the VIN has an active listing.",
      "additionalProperties": true
    },
    "status": {
      "type": "string",
      "description": "'success' on the real active-listing call observed."
    }
  },
  "description": "The estimated-payment result, as returned at routing.responseResultPath ($.output). A VIN with no currently active listing shapes to `{}` -- no top-level field is guaranteed present.",
  "additionalProperties": true
}

Pricing

Every real charge, itemised. A model that quietly omits one is a slow financial leak, so nothing here is rolled up, and a charge that only applies to some inputs says so rather than being added in.

Prices in this catalog are the provider's own list price, not your bill: Omnial MCP charges provider cost plus a platform markup on top, so what you are charged is higher than the figure shown. For the exact amount a specific call will cost, run omnial_execute with dry_run: true; that number includes the markup and is what we hold while the call runs. It is a quote, not a cap on the charge.

ChargeRate
Per call
Flat, regardless of what comes back
$0.01365
Cost basis
Not recorded

This tool's catalog entry does not record how its final bill is determined, so we will not tell you whether its cost is fixed before the call or reported by the provider afterwards. Either way what is held is a quote rather than a cap: you are charged what the call actually costs, bounded at 2x the quote.

Updated
Sep 23, 2026