How does the Google Maps APIs key system work?
In order to register for a Google Maps API key, you must sign in to your Google Account and agree to our Terms of Service. There is no limit to the number of keys you may obtain under a single account. For most applications we recommend that you simply register your domain name. Your key will be valid for that domain, its subdomains, all URLs on hosts in those domains, and all ports on those hosts. For example, if you sign up for a key using http://www.mygooglemapssite.com/, your key is valid for: • http://www.mygooglemapssite.com/ • http://www.mygooglemapssite.com/mysite/ However this key will not be valid for: • http://mygooglemapssite.com/ • http://host1.mygooglemapssite.com/ • http://host2.mygooglemapssite.com/mysite If as recommended you request a key for http://mygooglemapssite.com/ your key will be valid for all of the URLs listed above. Note that a key for http://www.mygooglemapssite.com/ will only be accepted when the site is accessed using this address. It will not be accepte
