← Agent Data Hub · Search endpoints · /llms.txt

Payment Card Luhn Checksum Validator & Card Network Detector

Validates payment card numbers via the ISO/IEC 7812 Luhn algorithm and detects the card network (Visa, Mastercard, Amex, Discover).

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/finance-credit-card-luhn?number=4532015112830366&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-credit-card-luhn"}

Parameters

Example response (live, compact)

{
  "apiId": "finance-credit-card-luhn",
  "data_freshness": "cached",
  "data": {
    "masked_number": "4532 **** **** 0366",
    "length": 16,
    "is_luhn_valid": true,
    "network": "Visa"
  },
  "source": "100% Platform ISO-7812 Luhn Engine",
  "license": "100% Platform Owned Compute"
}

Source & license