Check if Company $1.00 / 1,000 calls

ISIN code is valid

What this tool does

This tool checks if an ISIN (International Securities Identification Number) follows the correct format and has a valid checksum. It helps you verify that a security identification code is structurally sound before processing it.

The tool only validates the code's structure and checksum against the standard rules. It does not check if the security actually exists, is active, or is currently tradable in the market. An 'invalid' result may simply mean the number was typed incorrectly or does not fit the format, not that the security is fake.

Common uses

  • Verifying ISIN codes entered by users in investment forms
  • Filtering out malformed data in financial databases
  • Ensuring accuracy before submitting trade settlement details

Input data

Parameter Required Example Description
isin Yes US0378331005 Enter the 12-character ISIN code (e.g., 'US0378331005'). This field is required. If the code is missing or empty, the check will fail.

Output data

Field Description
result Returns 'true' if the ISIN code has a valid structure and checksum, or 'false' if it is invalid or malformed (e.g., 'US0378331005' returns 'true').