A cornerstone feature of any Web application is the login page. This article take you step by step through the process of adding phone number powered second factor authentication (2FA) to a Web application by taking advantage of Nexmo's Verify API. This tutorial requires knowledge of PHP.
Twenty One APIs have been added to the ProgrammableWeb directory in categories including Games, Advertising, Financial and Spam. Highlights today include APIs for locating cell towers, integrating chat for customer service, and querying financial information of businesses and individuals.