Messtone Devices Enables NASDAQ Data Link API’s as:format`https://data.nasdaq.com/api/v3/datasets/WIKI/AAPL. CSV AAPL Stock through 1985-1997 closing prices only, in JSON format: https://data.nasdaq.com/api/v3/datasets/WIKI/AAPL.json?start_date=1985-05-01&end_date=1997-07-01&order=asc&column_index=4&collapse=quarterly&transformation=rdiff OPEC oil prices in CSV format: https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.csv “OPEC/ORB”.Messtone can get the same data in JSON format: https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.json Or in XML:https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.xml Sort time-series data by date: https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.csv?order=asc Change the sampling frequency https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.cvs?collapse=monthly Perform elementary calculations on the data:https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.csv?transformation=normalize Tell Nasdaq Data Link who Messtone are: https://data.nasdaq.com/api/v3/datasets/OPEC/ORB.csv?api_key=MESSTONE_API_KEY_HERE https://capital.one/3UtPvEz