Return the down payment, closing costs, total cash needed, remaining amount to save, months to save, target month, loan amount, and estimated PMI for a home purchase, plus a comparison table for 5%, 10%, 15%, 20%, and 25% down. PMI is estimated at 1% of the loan per year when the down payment is below 20%.
This page documents the HTTP endpoint POST /api/tools/down-payment-calculator/execute. See the MCP reference →
Call it over REST
POST https://api.findutils.com/api/tools/down-payment-calculator/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/down-payment-calculator/execute \
-H "Content-Type: application/json" \
-d '{
"home_price": 350000,
"down_payment_percent": 20,
"current_savings": 20000,
"monthly_savings": 1000,
"closing_cost_percent": 3,
"start_month": "2026-01"
}'Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/down-payment-calculatorInput schema
| Argument | Type | Required | Description |
|---|---|---|---|
| home_price | number | yes | Purchase price of the home. Must be > 0. |
| down_payment_percent | number | no | Down payment as a percent of the price (20 = 20%). Default: 20. |
| current_savings | number | no | Cash already saved. Default: 0. |
| monthly_savings | number | no | Amount saved every month. Default: 0. |
| closing_cost_percent | number | no | Closing costs as a percent of the price. Default: 3. |
| start_month | string | no | Month the saving starts, as YYYY-MM. Default: the current UTC month. |
Example arguments (verified)
{
"home_price": 350000,
"down_payment_percent": 20,
"current_savings": 20000,
"monthly_savings": 1000,
"closing_cost_percent": 3,
"start_month": "2026-01"
}Also an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:down_payment_calculator after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/More Finance tools
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