To check your transactions click Transactions in the HQ+ menu.

Here is a guide to what the different types of transactions you will see:

'Received'      -      This indicates an amount of postcard credits you have received and who from.

'hq-postcard' -      This indicates an ad-hoc postcard being sent from the 'Event Postcards' tool. It shows the recipient and the cost.

'FP BD card'  -       This indicates an automated birthday card being sent, the recipient and the cost.

'FP Review'    -       This indicates an automated review card being sent, the recipient and the cost.

'Transferred'   -      This indicates and amount of Postcard credits you have sent and the recipient.