---
title: "VAT Number Format Check"
method: POST
path: "/api/v1/tools/vat-number-check"
tags: ["tools"]
---

# VAT Number Format Check

`POST /api/v1/tools/vat-number-check`

## Request

- Base URL: `https://toolforte.com`
- URL: `https://toolforte.com/api/v1/tools/vat-number-check`
- Auth: HTTP bearer

Validate the format of EU (plus GB/CH) VAT numbers before storing them. Syntax check only, no VIES lookup.

## Request body

- object
  - `vatNumber` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `input` string
    - `normalized` string
    - `country` string
    - `validFormat` boolean
    - `note` 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)