Google Maps JavaScript API v3

https://developers.google.com/maps/documentation/javascript/tutorial

 

1. Visit the Google Developers Console and log in with your Google Account.
2. Click the Services link from the left-hand menu.
3. Activate the Google Maps JavaScript API v3 service.
4. Click the API Access link from the left-hand menu. Your API key is available from the API Access page, in the Simple API Access section. Maps API applications use the Key for browser apps.

 

https://code.google.com/apis/console

 

 

View reports in API Console