Whats the API Key for in Google Maps API V3?

Question

In the older version of the API, I'd have to insert the javascript into the page using something like this for just basic functionality to work:

http://maps.google.com/maps?file=api&v=2&key=GoogleMapsAPIKey

Where I had to configure the API key for each individual site. Looking at the documentation, it says to get a basic map working I just need this:

http://maps.google.com/maps/api/js?sensor=true/false

Where does the API key fit in? Do I need to worry about it if I just plan on using a basic map and marker and none of the more advanced functions?

I'm also testing on localhost, but the FAQ says I still need to register a key for it, which I haven't done and it still works.

Answer 1

V3 of the Google Maps API does not require an API key. So you're good to go.