{
"error_message": "Keyless access to Google Maps Platform is deprecated. Please use an API key with all your API calls to avoid service interruption. For further details please refer to http://g.co/dev/maps-no-account",
"routes": [],
"status": "OVER_QUERY_LIMIT"
}
Not able to draw poly line in google map because of this error message and OVER_QUERY_LIMIT status.