The CASS API integrates address standardization, validation, and correction capabilities with existing applications. This RESTful API exchanges information in JSON format. AccuZIP is a mail tracking and reporting firm based in California which provides services that streamline data entry, data management, and multi-channel communications.
Twenty One APIs have been added to the ProgrammableWeb directory in categories such as Transportation, Email, and Financial. Featured today are some smart city APIs: One for finding clean water in Flint, Michigan, and three more for use with the City of Chicago's bike sharing program.