On the Billing page in your Settings, you can view your “Payment History”. If you have made no campaigns and no clicks, this area will be empty. Once you have started to gain impressions and clicks, you will be charged on a cost-per-click model. This means that when a customer clicks on your ad you will be charged that amount that won the auction.
You will be charged daily, for the sum of the cost of the clicks of that 24 hour period.
In “Payment History”, from left to right, the date, the type of transaction e.g. payment or top-up and the amount credited or debited. You can download the receipt of all your payments and choose the date by clicking on the calendar icon.