Send voice reminders from your calendar

Description

Streamline appointment reminders with natural-sounding voice messages — powered by AI

📅 Say goodbye to manual follow-ups — this workflow checks your calendar, generates a voice reminder, and sends it to your client via email using GPT-4o and ElevenLabs.

🧠 What Problem Does It Solve?
Manually reminding clients of upcoming appointments is repetitive, time-consuming, and easy to forget. This automated workflow ensures timely, personalized voice reminders are delivered without any manual work.

🔹 Appointment Time
🔹 Client Name
🔹 Property or Meeting Location
🔹 Professional Voice Message

⚙️ How It Works
📆 Scans Google Calendar for upcoming appointments
🔍 Extracts summary, time, and location from each event
🗣️ Uses GPT-4o to generate a natural, polite reminder script
🎙️ Converts the text to speech using ElevenLabs
📧 Emails the audio reminder to the client via Gmail

✨ Key Features
🔁 Runs on a schedule or can be triggered manually
🧠 GPT-4o generates dynamic, human-like reminder scripts
🔊 High-quality voice output from ElevenLabs
📥 Attaches the MP3 file to an email and sends automatically
📅 Works seamlessly with Google Calendar events
🧩 Includes fallback handling and easy customization

🧰 What You Need
✅ Google Calendar access with scheduled appointments
✅ Gmail account with API access
✅ ElevenLabs API key for voice generation
✅ Self-hosted n8n instance (LangChain nodes required)
✅ (Optional) Modify voice scripts or switch to SMS reminders

🛠️ Setup Instructions
🔗 Connect Google Calendar, Gmail, and ElevenLabs in n8n
🧪 Test with one calendar and email before scaling
📌 Set your preferred run schedule (daily, hourly, etc.)
🎤 Adjust the script tone or voice style in the AI prompt
📩 Optionally change delivery from email to SMS or WhatsApp

🤝 Integrations
Google Calendar
Gmail
ElevenLabs
OpenAI GPT-4o
n8n (Self-Hosted)