The PostCoder Java Sample Code by Allies, demonstrates how to interact with the API. Particularly, developers can learn how to search for addresses in London. Resources include address class, root element, code entry point, API search key, URL, and revise results from calls.
Spatial data provider Maponics has released a new API that provides developers with access to several boundary data sets. Previously available as a beta release in February, the Maponics Spatial API (our Maponics API profile) provides access to carrier route, ZIP Code and neighborhood data for the United States.
Developers who are producing shipping, eCommerce, or location-based services may find that determining ZIP codes or International postal codes is crucial to creating a successful application. In order to accomplish this, developers would need a suitable ZIP Codes API. Here are 10 popular choices.