This SMS Sent page gives you an overview of all the details of all the SMSes that were sent. This page is useful for troubleshooting when an error occurs.
Where can I find this page?
This page is located under the Logs category in the settings, highlighted in dark blue in the picture below.
You can also request for more credits on this page using the blue “Request Credits” button located on the top right of the page, highlighted in orange in the picture below.