The Client ID

In the following link we have  the details to load the API https://developers.google.com/maps/documentation/business/clientside.

Basically it’s necessary to change the version of the developer to the premium version.

 From:

<script src="http://maps.googleapis.com/maps/api/js?key=your-key&sensor=true_or_false" type="text/javascript"></script>

 To:

<script src="http://maps.googleapis.com/maps/api/js?client=gme-yourclientid&sensor=true_or_false" type="text/javascript"></script>

• CHANNEL PARAMETER

By utilizing the channel parameter it’s possible to generate the use report and have access to more details about the consumption of every application/site.

Example:

<script src="http://maps.googleapis.com/maps/api/js?v=3&client=gme-yourclientid&sensor=true_or_false&channel=yourchannel" type="text/javascript"></script>

For further information:

https://developers.google.com/maps/premium/reports/usage-reports#channels