Note: Please be aware that this plugin is no longer supported by SmartyStreets. The plugin and its documentation will be deprecated shortly. A superior and well-maintained plugin is currently available from To A Finish.
Our official plugin for Salesforce is a managed package that provides validation, verification, standardization, and autocomplete for the addresses in your Salesforce organization. SmartyStreets provides this plugin free of charge.
If there are any features you would like to see, just let us know.