---
title: "Mortgage Closing Cost Estimator"
method: POST
path: "/api/v1/tools/closing-cost-calculator"
tags: ["mortgage"]
---

# Mortgage Closing Cost Estimator

`POST /api/v1/tools/closing-cost-calculator`

## Request

- Base URL: `https://calcfleet.com`
- URL: `https://calcfleet.com/api/v1/tools/closing-cost-calculator`
- Auth: none declared

Estimate US mortgage closing costs before you buy. See itemized origination, appraisal, title, and prepaid fees with typical ranges and cash to close.

## Request body

- object
  - `homePrice` number, required
  - `loanAmount` number, required
  - `originationFeePct` number, required
  - `appraisalFee` number, required
  - `titleFee` number, required
  - `recordingFee` number, required
  - `prepaidEscrow` number, required

## Response `200`

Successful calculation result.

- object
  - `result` object, required: Structured calculation output (fields vary per calculator).

## Other responses

- `400`: Invalid input — the issues array contains Zod validation errors.
- `403`: Forbidden — an Authorization: Bearer cf_… key was supplied but is invalid.
- `404`: Unknown tool slug.

---

[API](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api.md) · [All operations](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api/llms.txt) · [OpenAPI document](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api/revisions/cd9abd595bbe?raw)