instrument_token is a numerical ID issued by us. This is used for fetching historical data with the historical API and for subscribing to live data on the WebSockets API.
The CSV file contains the instrument and exchange tokens. Exchanges may change the tokens at any time. We recommend you fetch the instrument list once every day before market opening.
also how to get mapping for exchange token?
is it constant for a single exchange?
The CSV file contains the instrument and exchange tokens. Exchanges may change the tokens at any time. We recommend you fetch the instrument list once every day before market opening.