How to fetch today option data in 1 min time frame for all the strike for this banknifty expiry

Developer API
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To downaload in 1 min time time frame of banknifty current contract option for al the available strike

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For accessing intraday and historical chart data, consider utilizing the Historical Data API available at this link: Historical Data API. To retrieve the data, youā€™ll need to provide the instrument_key corresponding to the particular option contract keys as input to the API.

For more information on the instrument file details, please visit Instruments API Documentation.

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