Tracking your Amazon CloudSearch Usage and Charges
The AWS account activity page enables you to track your Amazon CloudSearch usage and charges.
To get your Amazon CloudSearch usage information
Go to aws.amazon.com and select Account Activity from the My Account/Console menu. (If you are not already logged in to the AWS portal, you will be prompted to enter your user name and password.)
Scroll down to the CloudSearch entry in the Details table and click Download Usage Report.
Specify the information you want to include in the report and click the download button for the data format that you want to download. Reports can be downloaded as either XML or CSV.