Insufficeint permission while calling histoday data api

https://api.kite.trade/instruments/historical/256265/day?from=2020-01-08&to=2020-05-10&api_key=xxx&access_token=xxx
i am trying to call history data, but it is giving this error:
{"status":"error","message":"Insufficient permission for that call.","data":null,"error_type":"PermissionException"}

earlier it all worked fine. is there any changes in new version or what ?