iban_validate

Validate an IBAN (length, structure, mod-97 check digits) and split out UK sort code and account; or format-check a UK sort code and account number.

1 credit a call. No key needed to start.

Try it

curl "https://ukdata.reliness.co.uk/v1/iban_validate?iban=GB82WEST12345698765432"

Parameters

iban (string)
sortCode (string)
accountNumber (string)

Use it from an agent

Part of the Compliance and finance checks MCP server at https://ukdata.reliness.co.uk/mcp/compliance-finance-checks, or call https://ukdata.reliness.co.uk/v1/iban_validate with GET or POST.

{
  "mcpServers": {
    "uk-data": {
      "url": "https://ukdata.reliness.co.uk/mcp/compliance-finance-checks"
    }
  }
}

Every caller gets 25 free credits a day without a key. For more, get a free key with 300 credits at ukdata.reliness.co.uk.