Rate limited error on historical data

1

getting rate limited error on historical data (paid api)

2

now its showing:
Temporary error 401 Client Error: for url: https://api.dhan.co/v2/charts/historical

{
“errorType”: “Invalid_Access”,
“errorCode”: “DH-902”,
“errorMessage”: “HTTP Status 451. User has not subscribed to Data APIs or does not have access to Trading APIs. Kindly subscribe to Data APIs to be able to fetch Data.”
}