You will need to ensure that you meet the prerequisites (Business plan or higher—this endpoint is not available to Basic users):
Additionally, you will need to be an admin on the account for which you’re trying to get a meeting’s details.
If you don’t meet each of these conditions, you will get the expected permission error. Can you confirm that you meet these conditions, and if so, that you’re still getting the error?
Yes, I am using a business account and this API is working for all other events generated by the same account, facing problem only for this meeting (82440901400)
Do you happen to know if this is your Personal Meeting ID, or if this was an instant meeting? Do you see this meeting in your past meetings in the Zoom UI?