Return the monthly car payment, total interest, financed amount, and a month-by-month amortization schedule for an auto loan. Accounts for down payment, trade-in value, and sales tax (optionally financed). Rate is a yearly percentage.
This page documents the HTTP endpoint POST /api/tools/auto-loan-calculator/execute. See the MCP reference →
Call it over REST
POST https://api.findutils.com/api/tools/auto-loan-calculator/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/auto-loan-calculator/execute \
-H "Content-Type: application/json" \
-d '{
"vehicle_price": 35000,
"down_payment": 5000,
"trade_in_value": 0,
"interest_rate": 6.5,
"loan_term_months": 60,
"sales_tax": 8,
"include_tax_in_loan": true
}'Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/auto-loan-calculatorInput schema
| Argument | Type | Required | Description |
|---|---|---|---|
| vehicle_price | number | yes | Vehicle purchase price before tax. |
| interest_rate | number | yes | Yearly interest rate in percent (6.5 = 6.5%). Must be > 0. |
| loan_term_months | integer | yes | Loan term in months (for example 36, 48, 60, 72, 84). |
| down_payment | number | no | Cash down payment. Default: 0. |
| trade_in_value | number | no | Trade-in value credited against the price. Default: 0. |
| sales_tax | number | no | Sales tax rate in percent applied to the vehicle price. Default: 0. |
| include_tax_in_loan | boolean | no | Finance the sales tax in the loan. Default: true. |
Example arguments (verified)
{
"vehicle_price": 35000,
"down_payment": 5000,
"trade_in_value": 0,
"interest_rate": 6.5,
"loan_term_months": 60,
"sales_tax": 8,
"include_tax_in_loan": true
}Also an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:auto_loan_calculator after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/More Finance tools
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