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ISIN Securities Identifier Validator (ISO-6166 Checksum & Country)

Validates 12-character International Securities Identification Numbers (ISIN, e.g. US0378331005 for Apple) using ISO 6166 Luhn-base36 checksum.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/finance-isin-cusip-validator?isin=US0378331005&compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"finance-isin-cusip-validator"}

Parameters

Example response (live, compact)

{
  "apiId": "finance-isin-cusip-validator",
  "data_freshness": "cached",
  "data": {
    "isin": "US0378331005",
    "is_valid_format": true,
    "issuer_country_code": "US",
    "nsin_national_code": "037833100",
    "check_digit": "5"
  },
  "source": "100% Platform ISO-6166 ISIN Engine",
  "license": "100% Platform Owned Compute"
}

Source & license