---
title: "EMI Calculator"
method: POST
path: "/api/v1/tools/emi-calculator"
tags: ["tools"]
---

# EMI Calculator

`POST /api/v1/tools/emi-calculator`

## Request

- Base URL: `https://toolforte.com`
- URL: `https://toolforte.com/api/v1/tools/emi-calculator`
- Auth: HTTP bearer

The equated monthly instalment on a loan from the amount, the annual rate and a tenure in years or months. Returns the instalment, the total paid, the total interest, interest as a share of the total, and an amortisation schedule grouped by year.

## Request body

- object
  - `loanAmount` integer
  - `annualRatePercent` number
  - `tenure` integer
  - `tenureUnit` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `loanAmount` integer
    - `annualRatePercent` number
    - `tenure` integer
    - `tenureUnit` string
    - `months` integer
    - `emi` number
    - `totalPayment` number
    - `totalInterest` number
    - `interestPercent` integer
    - `yearlyBreakdown` object[]
      - `year` integer
      - `principalPaid` number
      - `interestPaid` number
      - `balance` number

## Other responses

- `400`: Missing or invalid request fields
- `401`: Invalid or missing API key
- `429`: Monthly plan limit reached

---

[API](https://skmtc.dev/toolforte/apis/toolforte-api.md) · [All operations](https://skmtc.dev/toolforte/apis/toolforte-api/llms.txt) · [OpenAPI document](https://skmtc.dev/toolforte/apis/toolforte-api/revisions/4d814d484dfc?raw)
