KBC Bank BIN API Mastercard Debit Cards in Belgium

KBC Bank BIN API Mastercard Debit Cards in Belgium. BankDataStack uses header X-API-Key and JSON POST. Official BIN sample: 424242. Title BINs like 353535 / 333333 are not published fixtures.

Starter is $49.99/mo (1,000 calls, then $0.002) with a 7-day trial. No live MCP (DNS for mcp.bankdatastack.com failed). Docs: bankdatastack.com/docs. Register: bankdatastack.com/register.

Request: official sample

curl -X POST https://www.bankdatastack.com/api/v1/bin/lookup \
  -H "X-API-Key: YOUR_API_KEY" -H "Content-Type: application/json" \
  -d '{"bin": "424242"}'

Sibling: official IBAN envelope

{
  "status": "success",
  "data": {
    "iban": "GB82WEST12345698765432",
    "valid": true,
    "countryCode": "GB"
  }
}

Go live

Validate a bank identifier →