Finding your recent Google Maps usage
Basic usage report
To get started, open this link to view the overview of your Google Maps services.
Under billing, you’ll see a graph of your recent usage:
Detailed usage report
It's also possible to view a more granular breakdown of the specific services being used day-by-day.
To start, follow the steps under "Basic usage report" above and look for the "Billing" section pictured above (it's at the bottom of the page). Then, underneath the chart, click Go to Maps billing report:
Click the Credits filter, and then click All to turn off (unselect) all of the options there:
Normally the report hides usage covered by the free credit. Turning off the "Credits" filter will display usage even when it's covered by the credit and not charged.
You may also want to click the Time range filter and choose Last 90 days for a longer report: