{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "The shop's domain or URL, e.g. \"example-shop.dk\""
    },
    "vat_number": {
      "description": "VAT or company registration number shown at checkout / on the invoice, e.g. \"DK27528430\" or \"556710-4699\"",
      "type": "string"
    },
    "country": {
      "description": "ISO country code of that number, e.g. \"dk\", \"se\", \"uk\" \u2014 helps read a bare number",
      "type": "string"
    },
    "company_name": {
      "description": "Company name shown at checkout, if any",
      "type": "string"
    }
  },
  "required": [
    "domain"
  ],
  "title": "check_merchant input",
  "x-source": "https://api.checkbiz.eu/mcp tools/list (2026-11-03), inputSchema of tool check_merchant, verbatim"
}