ID Number Validation

Check national ID formats and available checksums for seven supported countries. Returns validation details without confirming identity.

Pay by wallet (x402) id-number-validate

Example

Example answer

{
  "error": "Country 'INVALID_TEST_VALUE_12345' not supported. Supported: SE, FI, NO, DK, GB, UK, US, DE",
  "valid": false,
  "id_type": "unknown",
  "normalized": "INVALID_TEST_VALUE_12345",
  "country_code": "INVALID_TEST_VALUE_12345",
  "checksum_valid": null,
  "extracted_info": null,
  "format_correct": false
}

Inputs

Field	Type	Required	What it is
`id_number`	string	Yes	National identification number
`country_code`	string	Yes	ISO 2-letter country code (SE, FI, NO, DK, GB, US, DE)

Output fields

How reliably each field appears in a successful answer.

Field	Type	Appears
`valid`	boolean	Always (present in every successful answer)
`id_type`	string	Always (present in every successful answer)
`normalized`	string	Always (present in every successful answer)
`country_code`	string	Always (present in every successful answer)
`checksum_valid`	boolean	Always (present in every successful answer)
`extracted_info`	object	Usually (present for most inputs)
`format_correct`	boolean	Always (present in every successful answer)

How to call it

The same tool through each route. MCP clients reach it through Strale’s server at https://api.strale.io/mcp; the call below is what the agent sends.

# Needs an API key. max_price_cents caps what this call may cost.
curl -X POST https://api.strale.io/v1/do \
  -H "Authorization: Bearer $STRALE_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
    "capability_slug": "id-number-validate",
    "inputs": {
      "id_number": "811228-9874",
      "country_code": "SE"
    },
    "max_price_cents": 2
  }'

{
  "tool": "strale_execute",
  "arguments": {
    "slug": "id-number-validate",
    "inputs": {
      "id_number": "811228-9874",
      "country_code": "SE"
    },
    "max_price_cents": 2
  }
}

import { Strale } from "straleio";

const strale = new Strale({ apiKey: process.env.STRALE_API_KEY! });
const result = await strale.do({
  capability_slug: "id-number-validate",
  inputs: {
    "id_number": "811228-9874",
    "country_code": "SE"
  },
  max_price_cents: 2,
});

import os
from straleio import Strale, DoRequest

strale = Strale(api_key=os.environ["STRALE_API_KEY"])
result = strale.do(DoRequest(
    capability_slug="id-number-validate",
    inputs={
        "id_number": "811228-9874",
        "country_code": "SE",
    },
    max_price_cents=2,
))

# No account. The first request answers 402 with the price in USDC;
# an x402 client pays it from your wallet and repeats the request.
curl -i 'https://api.strale.io/x402/v2/id-number-validate?id_number=811228-9874&country_code=SE'

Limitations

Format validation only
Validates format and checksum — does not verify the number is assigned to a real person
Country coverage
Supports SE, FI, NO, DK, GB, US, DE — other countries return unsupported error