Automated voice appointment reminders with Google Calendar GPT ElevenLabs Gmail
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 9 nodes and runs on a schedule (every day) (plus 1 other trigger). Along the way it connects OpenAI Chat Model, Gmail and Google Calendar. It also calls api.elevenlabs.io over HTTP.
How it runs
Trigger: On a schedule (every day) (plus 1 other trigger).
- Get Appointments (Google Calendar): get many
- create message (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model; output parser: Structured Output Parser
- Generate Voice Reminder (HTTP Request): calls api.elevenlabs.io (POST)
- Change filename (Code): runs custom JavaScript code
- Send Voice Reminder (Gmail): uses Gmail
Services it uses
HTTP calls to: api.elevenlabs.io
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Manual Trigger
n8n-nodes-base.manualTrigger - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - Gmail
n8n-nodes-base.gmail - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Google Calendar
n8n-nodes-base.googleCalendar
From the author
This workflow automates voice reminders for upcoming appointments by generating a professional audio message and sending it to clients via email with the voice file attached. It integrates Google Calendar to track appointments, ElevenLabs to generate…