Application service provider featuring application programming interface (API) software for providing user authentication services for enabling and providing user log-ins and sign-ins; Design, development, and implementation of software for providing user authentication services for enabling and providing user log-ins and sign-ins; Providing user authentication services using biometric hardware and software technology for enabling and providing user log-ins and sign-ins; Software as a service (SAAS) services featuring software for providing user authentication services for enabling and providing user log-ins and sign-ins