---
title: "ID Number Validate (x402)"
method: GET
path: "/x402/v2/id-number-validate"
tags: ["x402"]
---

# ID Number Validate (x402)

`GET /x402/v2/id-number-validate`

## Request

- Base URL: `https://api.strale.io`
- URL: `https://api.strale.io/x402/v2/id-number-validate`
- Auth: none required

Validate national identification number formats. Supports Swedish personnummer, Finnish henkilötunnus, Norwegian fødselsnummer, Danish CPR, UK National Insurance, US SSN format, and German Steuer-ID. Checks format and checksum where applicable. Does NOT verify identity.

## Query parameters

- `id_number` string, required: National identification number
- `country_code` string, required: ISO 2-letter country code (SE, FI, NO, DK, GB, US, DE)

## Response `200`

Success

- object
  - `valid` boolean
  - `id_type` string
  - `normalized` string
  - `country_code` string
  - `checksum_valid` boolean
  - `extracted_info` object
  - `format_correct` boolean

## Other responses

- `402`: Payment required (x402 — pay with USDC on Base)

---

[API](https://skmtc.dev/strale/apis/strale-api-2.md) · [All operations](https://skmtc.dev/strale/apis/strale-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/strale/apis/strale-api-2/revisions/a5293878cfc6?raw)