When this JSON file gets updated any time like on expiry (last Thursday or?)
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@Jajati_26056927 Please verify the following notes mentioned in the documentation.
How to get Sensex Option chain
Hi @SREEKUMAR_2782294 You can try the following curl request to fetch the SENSEX option chain for a specific expiry:
curl -X 'GET' \
'https://api.upstox.com/v2/option/chain?instrument_key=BSE_INDEX|SENSEX&expiry_date=2025-07-22' \
-H 'accept: application/json' \
-H 'Authorization: Bearer {access_token}'
Thanks