---
title: "Dutch Inheritance Tax Calculator"
method: POST
path: "/api/v1/tools/erfbelasting-calculator"
tags: ["tools"]
---

# Dutch Inheritance Tax Calculator

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

## Request

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

Estimate Dutch inheritance tax (erfbelasting) for one heir with the 2026 exemptions and two-bracket rates: give the inherited amount and the relationship to the deceased, get the exemption, taxable amount, tax per bracket, total tax and what the heir keeps.

## Request body

- object
  - `amount` integer
  - `heir` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `ok` boolean
    - `exemption` integer
    - `exemptionApplied` integer
    - `taxableAmount` integer
    - `lowBracketTax` integer
    - `highBracketTax` integer
    - `totalTax` integer
    - `netReceived` integer
    - `effectiveRate` number
    - `notes` string[]

## 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)