Once a deposit is listed as pending, it has already begun to transfer from your funding account into your Qapital account and cannot be canceled. However, scheduled deposits can be canceled!
If you are an iOS user, head to the Wallet tab, then click on your Qapital Account. Then, tap ‘Upcoming Deposits,’ scroll to the bottom and tap ‘delete deposits’. It will cancel all scheduled deposits.
If you are an Android user, first, head into the My Money tab and tap your Qapital Account. Then, tap 'Upcoming Deposits.' From there, you will see an action button '⠇' in the upper right corner. Once you tap it, you will see ‘Cancel Deposits’. That will cancel all scheduled deposits.