Securing Your API Key for Google Maps
Load your api console at https://console.developers.google.com/
Click on credentials on the left side...
Select your api key on the right
Click your api key
Under restrictions, click HTTP Referrers
Select "application restrictions"
If you have Same Domain Checkout, in the website secure box you will enter
https://secure.xxxx.com (replace xxxx with your store's secure domain)
If you use Yahoo's standard secure checkout, you will enter
https://*store.yahoo.net/STORE ID/* STORE ID is your store ID whether it is a yhst- or the older store name.
If you have issues enabling your new API, please reply to this email, or email firstname.lastname@example.org directly.