Does Google Maps V3 API have any form of built in caching system for geocoding? I was thinking whether the usage limit for a user will be reached if that user enters an address say “Boston, MA” and continues clicking a button that geocodes that same address?
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I’m not aware of any, but it would be easy to put your own cache in front of the geocoding. Also you can try using client-side geocoding, which should eliminate the problem for the most part.
Check out this link:
http://code.google.com/apis/maps/articles/geocodestrat.html
If you decide to do your geocoding cache, make sure you aren’t violating the terms of service. A while back you couldn’t store the geocode results… I’m not sure if that’s still true or not.