Manage finances, tasks, tweets and Gmail with GPT‑4.1 on WhatsApp

n8n Wizard 🪄 – Your personal AI assistant inside WhatsApp

This workflow transforms WhatsApp into a powerful personal AI using n8n + Green-API. Send text or voice messages — the assistant understands intent and handles daily tasks automatically.

Key features

- 💰 Expense & income tracking — record spending, view summaries & category breakdowns (Google Sheets, append-only) - ✓ Google Tasks management — create, list, update, delete tasks & reminders - 🐦 Post to X/Twitter — write and publish single tweets or short threads - 📧 Gmail search & summaries — find recent/unread emails by sender, label, keyword (read-only) - 🌐 Real-time answers — current weather, news, exchange rates, facts via web search - 🧮 Quick calculations — math, percentages, currency conversions - 🎤 Full voice support — incoming voice messages transcribed (Whisper), replies can be spoken (TTS)

How it works

1. Green-API webhook receives message (text or audio) 2. Voice → transcribed automatically 3. Main intelligent router agent selects one sub-agent/tool 4. Action executed → result sent back as text or voice (if input was voice)

Setup requirements

- Green-API instance (webhook + send endpoints) - OpenAI API key (chat, Whisper, TTS) - Google Sheets, Google Tasks, Twitter/X, Gmail (read scope), SerpAPI credentials