Only those Completed shipments will be counted against your monthly allowance.
These will be shipments that have been booked with your carrier/s, and generally will have tracking numbers.
If you're looking to upgrade your subscription, we have a guide here that you can refer to: Upgrade your subscription
Or if you just want to top up for a month, here's how: How to purchase a Bolt-On
Any questions, please contact us and we'll be happy to help.