---
title: "Purchase Impact Calculator"
method: POST
path: "/api/v1/tools/purchase-impact-calculator"
tags: ["savings"]
---

# Purchase Impact Calculator

`POST /api/v1/tools/purchase-impact-calculator`

## Request

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

See the true cost of any purchase: what the price would grow to if invested, how many days of work it represents, and how far it pushes back your FIRE date.

## Request body

- object
  - `price` number, required
  - `expectedRealReturnPct` number, required
  - `yearsHorizon` integer, required
  - `annualNetIncome` number
  - `monthlySavings` number
  - `currentSavings` number, required
  - `fireNumber` number

## 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)