Authy provides a two-factor authentication smartphone application for consumers, a 2FA Rest API for developers, and an authentication platform for enterprises. Its platform allows every user, group, and organization to customize their settings and configure security rules. Authy's login verification options include a unique verification code, a text message, and a singular answer question that appears only on its users' mobile device. It offers protection for various apps, including Facebook, Gmail, Dropbox, or any account that supports Google Authenticator. Authy is used by 11,000+ websites serving 2 million consumers worldwide, including clients such as Coinbase, CloudFlare, Humble Bundle, and Twitch.tv.