VONAGE SMS BILLING PROCEDURE
2. On the left, under the section Account, select the Api Key. Once selected, create a downloadable report by selecting SMS Logs → Direction → Search → Download CSV. Make sure if the customer handles both Inbound and Outbound, make this step for both the directions 
3. An email with the download link will be sent to support@becloudsolutions.com. Once received, click on Download your report and a .zip file will be downloaded 
4. Do the previous steps for all of the Vonage Api Keys, the result will be a list of .zip 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
