Yes, the quote API enable you to retrieve market data snapshots from the exchanges at the time of the request. Please check our API documentation on the market quote here.
What is the exchange value you are sending in the request? Is it same as the one that is mentioned in the instruments master for the corresponding instrument?
You seem to the comparing two different instruments data. As you can see above, not only total buy/sell quantity is different but all other data points are also different. You can find the correct in…