GetSnapshot : Returns latest Snapshot Data of multiple Symbols – max 25 in single call

Supported parameters
ExchangeString value like MCXName of supported exchange. How to get list of supported exchanges you can find here
Periodicity[“MINUTE”]/[“HOUR”], default = [“MINUTE”]String value of required periodicity.
PeriodNumerical value 1, 2, 3…l default = 1Optional parameter of required period for historical data. Can be applied for [MINUTE]/[HOUR] periodicity types
InstrumentIdentifiersValues of instrument identifiers, max. limit is 25 instruments per single requestHow to get list of available instruments and identifiers you can find here
isShortIdentifiers[true]/[false], default = [false]Optional parameter. By default function will use long instrument identifier format. Functions will use short instrument identifier format if set as [true]. Example of ShortIdentifiers are NIFTY25MAR21FUT, RELIANCE25MAR21FUT, NIFTY25MAR2115000CE, etc.
What is returned ?
InstrumentIdentifier (Symbol), Exchange, LastTradeTime, TradedQty, OpenInterest, Open, High, Low, Close
LastTradeTime : This value is expressed as no. of seconds since Epoch time (i.e. 1st January 1970). Also known as Unix Time. Please Visit to get formulae to convert human readable time to Epoch and vice versa (scroll to end of their home page)
Sample request(JavaScript)
                MessageType: "GetSnapshot",
                Exchange: "MCX",
                Periodicity: "MINUTE",
                Period: 1,
				isShortIdentifiers: "true",
                InstrumentIdentifiers: [{Value:"CRUDEOIL19MAR21FUT"}, {Value:"NATURALGAS26MAR21FUT"}]
Example of returned data in JSON format
Important Note:

GetSnapshot , the time when request is sent is very important. For example : If user sends request for 1minute snapshot data at 9:20:01, he will get record of trade data between 9:19:00 to 9:20:00. However, if request is sent at 9:19:58 i.e. before minute is complete, user will get trade data between 9:18:00 to 9:19:00. In both cases, timestamp of the returned data will be start timestamp of the period. So when data between 9:15:00 to 9:20:00 is returned, it will have timestamp of 9:15:00. Also if a user subscribes for snapshot data of any symbol for a period and if no trades happen during that period, no data is sent by the server

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