1. Login on https://dashboard.vonage.com/

2. On the left, under the section Account, select the Api Key. Then select Logs → SMS Logs. Make sure the direction is Outbound, then filter the date and then click search: if today is the 16th of the month, the range will be from 00:00 on the 1st to 00:00 on the 16th of this month, if today is the 1st of the month, the range will be from 00:00 on the 16th of last month to 00:00 on the 1st of this month. Then click on Download Report to prepare the .csv

3. Go to Logs → Reports and download the .csv file

4. **Do the previous steps for all of the Vonage Api Keys, the result will be a list of .csv files. Move all the files in the same folder as the script vonage_billing_sms.zip

5. Run the script, the result will be similar to the following