Transcribe WhatsApp audio with Groq Whisper and save transcripts to Google Drive
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 workflow has 4 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes. It also calls api.groq.com and script.google.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Extract JSON from Base64 Audio (Code): runs custom JavaScript code
- Post Audio to Groq for Transcription (HTTP Request): calls api.groq.com (POST)
- Post Transcription to Google Script (HTTP Request): calls script.google.com (POST)
HTTP calls to: api.groq.com, script.google.com
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 (3)
- Webhook
n8n-nodes-base.webhook - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest
From the author
Quick overview This workflow receives a webhook with a Base64-encoded WhatsApp call recording from a Google App Script, transcribes the audio using Groq’s Whisper API, and saves the formatted transcript as a text file to Google Drive via a Google Apps Script…