
Termii
Termii is a cross-channel messaging and customer engagement platform that enables businesses to verify, authenticate, and communicate with customers globally via SMS, WhatsApp, voice, and email.
Communication ApisDiscover powerful user authentication AI tools, including Termii, Castle, and Roundtable, and other related products.

Termii is a cross-channel messaging and customer engagement platform that enables businesses to verify, authenticate, and communicate with customers globally via SMS, WhatsApp, voice, and email.
Communication Apis
Roundtable is an AI-powered security platform that offers an invisible, privacy-first alternative to CAPTCHA. It uses continuous behavioral AI to detect and block bots and fraudulent activity in real-time, ensuring seamless user experience and robust data integrity without intrusive challenges.
Authentication
Castle is an AI-powered fraud and abuse prevention platform that protects online businesses from bots, account takeovers (ATO), and other malicious activities. It offers a dual-layer defense system, operating at both the edge and in-app, to provide real-time, developer-friendly security without disrupting the user experience.
User Behavior