Never mind i found the issue. One instrument I had in my excel sheet was tata motors. I made this excel sheet of exchange tokens and instrument tokens long time back. Tata motors probably split or something similar, so the instrument token exchange …
@sujith you are right. I have resolved the issue. Base64 encoding is not required. I simply had to do
encode_str = apikey & ":" & acc_token
and that was it.
Yes, I have Historical data subscription.