Financial Instruments Reference Database System

The Financial Instruments Reference Database System (FIRDS) is published by the European Securities and Markets Authority (ESMA) and lists meta-information to all financial instruments included in the scope of Markets in Financial Instruments Directive 2004 (MiFID II). This reference data is necessary to find metadata on a given financial instrument, uniquely identified by a so-called International Securities Identification Number (ISIN).

Source: Wikipedia — Financial Instruments Reference Database System (CC BY-SA 4.0)