A landing page featuring Sarah, an AI voice assistant built on Retell.io technology, enabling visitors to engage through real-time browser-based voice calls and chat interactions with secure serverless backend integration.
AI Voice Agent is a professional landing page showcasing advanced conversational AI technology powered by Retell.io. The platform features Sarah, an intelligent voice assistant capable of handling real-time voice conversations directly in the browser, complemented by a chat widget for text-based interactions.
The application provides an animated voice call interface with speaking indicators and call timers, creating an engaging user experience. The mobile-responsive design uses Inter typography for clean, modern aesthetics while maintaining full functionality across all devices.
Built with HTML, CSS, and JavaScript using Retell Web Client SDK, the system employs Vercel serverless functions to protect API credentials from client exposure. Local development is supported through Express.js, making it easy to test before production deployment on Vercel’s hosting platform.
Powerful features that make this solution stand out
Browser-based voice conversations powered by Retell Web Client SDK enable instant communication without requiring app downloads or phone numbers.
Text-based assistance interface provides alternative communication method for users who prefer typing over voice interaction.
Dynamic modal with speaking indicators and call timer creates engaging visual feedback during voice conversations with Sarah.
Fully adaptive layout with Inter typography ensures consistent, professional appearance across desktop, tablet, and mobile devices.
Vercel serverless functions protect Retell API credentials from client-side exposure, ensuring secure communication and data privacy.
Express.js local development server supports testing before production deployment, with clear environment configuration for Retell AI integration.
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