Build a Customer Support AI Voice Agent with GPT-5 and ElevenLabs
Build a Customer Support AI Voice Agent with GPT-5 and ElevenLabs 👥 Who is this for? This template is ideal for: Businesses that want to provide 24/7 automated voice-based customer support Service providers needing to schedule appointments via voice interaction Teams looking to handle multilingual customer queries automatically Entrepreneurs aiming to boost customer engagement without hiring large support teams 💡 What problem is this workflow solving? Traditional customer support requires: Human agents to answer repeated questions Manual handling of bookings and confirmations Limited availability outside office hours This workflow solves those issues by combining GPT-5 intelligence with ElevenLabs voice synthesis, enabling your website visitors to: Ask questions and receive spoken answers in multiple languages Request appointment availability Confirm bookings and receive automatic email confirmations All of this happens automatically, reducing costs and ensuring consistent customer experience. ⚙️ What this workflow does Receive customer voice input via webhook from your website Transcribe and understand intent using GPT-5 and LangChain reasoning Fetch information from your knowledge base (Google Sheets) for FAQs, services, or policies Check availability in Google Calendar in real-time Create confirmed appointments only after explicit user confirmation Send confirmation emails with booking details via Gmail Respond back to the user with a multilingual spoken reply using ElevenLabs 🧰 Setup Before launching this workflow, make sure you: Have an OpenAI API key for GPT-5 Set up an ElevenLabs account and API key for voice input/output Enable Google Sheets API and prepare a sheet with your FAQ/knowledgebase Enable Google Calendar API and connect your calendar for scheduling Connect your Gmail account for booking confirmation emails Configure the Webhook URL on your website for sending voice requests Follow the sticky note instructions inside the workflow for final setup 🛠️ How to customize this workflow Knowledgebase:** Add or update information in your Google Sheets to cover new FAQs Voice settings:** Configure ElevenLabs voice style, tone, or supported languages Appointment rules:** Adjust event duration or add reschedule/cancellation options Notifications:** Add Slack or Telegram alerts for each new confirmed booking Email templates:** Customize the confirmation email with your brand style With this workflow, your website becomes an AI-powered voice assistant — capable of handling customer inquiries, providing multilingual support, and managing bookings seamlessly. 📄 Documentation: Notion Guide Need help customizing? Contact me for consulting and support : Linkedin / Youtube. An n8n automation workflow template by Dr. Firas.
Dr. Firas
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