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I will build heygen liveavatar, ai concierge, voice assistant, next js react web app
Austin
About this gig
HeyGen LiveAvatar AI Voice Assistant app
I build HeyGen LiveAvatar AI Voice Assistant applications using Next.js React, integrating real-time avatar conversations, AI knowledge bases, and conversational AI capabilities. I create complete AI avatar solutions with LiveAvatar API/SDK integration, Voice interaction, session management, and custom AI assistant workflows tailored to your use case.
Want to see how the avatar looks in action? Send me a DM, and I will share a sample demo showing exactly how the real-time AI conversation works!
FEATURES:
- HeyGen LiveAvatar API/SDK Integration
- Next.js React Web Application
- AI Voice Assistant
- Real-Time Voice Conversation
- Custom AI Assistant
- Conversational AI
- Interactive AI Agents
- Digital Twins
- UE5 Pixel Streaming
- AI Livestreaming Avatars
- 3D WebGL Avatars
- Web & Mobile Applications
- SOC 2 & GDPR Compliant
API INTEGRATIONS:
- HeyGen LiveAvatar API/SDK
- OpenAI
- ElevenLabs
- Google Calendar
- LiveKit
- Whisper
Use Cases:
- ADHD Coaching
- Healthcare
- EdTech
- Banking Concierge
- Retail & Ecommerce
- Fintech Platforms
- Interactive Lesson
- Microskills Development
Send me a DM, and let's build your AI Concierge today!
Get to know Austin
Austin
ai developer
- FromPortugal
- Member sinceJun 2026
- Avg. response time1 day
Languages
English, Spanish
HI I'm Austin an expert Python developer and software engineer. I use Python to design, build, and deploy applications. I also work on backend web development, AI, automation, and data analysis.
i specialize in building back-end applications, designing APIs, and integrating third-party systems.
Other AI Development Services I Offer
FAQ
1. Do I need to rebuild my entire website to add this AI Voice Concierge?
No, absolutely not. I can seamlessly integrate the HeyGen LiveAvatar widget into your existing website or deliver it as a standalone, high-performing Next.js web application. You get a cutting-edge video avatar experience with zero disruption to your current site or codebase.
2. Can the avatar actually book appointments and capture leads, or does it just chat?
It actively drives business results. Beyond voice responses, I can integrate live API actions (Google Calendar, Cal.com, Hubspot, Zapier). Your AI Concierge can answer questions, qualify leads, collect user details, and schedule meetings automatically—turning visitors into booked clients 24/7.
3. Can the avatar learn my specific products, services, and company FAQs?
Yes! By setting up custom AI personas and connecting a Knowledge Base (RAG), your avatar will answer user inquiries accurately based strictly on your company’s PDFs, manuals, website content, or product docs. This eliminates hallucinated answers and builds immediate brand authority.
4. How smooth and realistic are the real-time voice conversations?
It feels like a live video call. Powered by HeyGen’s WebRTC streaming SDK, the avatar achieves ultra-low latency audio response times with pixel-perfect lip synchronization. This creates a natural, human-like interaction that drives higher user retention and satisfaction.
5. Will my HeyGen API key stay safe and secure from unauthorized usage?
100% secure. I build custom Next.js server-side API routes to generate short-lived session tokens for the browser. Your master API key remains completely hidden on the secure backend, preventing key theft and unapproved usage charges.
6. Can I use my own AI model (OpenAI/Claude) or a custom voice clone?
Yes, full flexibility. We can use HeyGen's managed pipeline for quick setup, or connect your custom backend agent (OpenAI GPT-4o, Anthropic Claude, or ElevenLabs voice clones). You retain total control over the avatar’s brain, logic, and vocal tone.
7. Will the AI Concierge work on mobile phones and tablets?
Yes, it is fully mobile-responsive. Built with React and Tailwind CSS, the user interface automatically adapts to smartphones, tablets, and desktop displays, giving your customers a flawless video and microphone experience on any device.
