🔥 Cheapest Cold Caller Agent in the market right now. 🔥 Automated AI-Powered Cold Calling Workflow (n8n + Vapi + Twilio)

Cold-call leads automatically using AI agents over the phone — powered by n8n, Vapi, and Twilio. This drag-and-drop automation calls contacts from a Google Sheet, rotates phone numbers, saves call summaries, and even follows up — 100% hands-off.

🚀 What It Does

• 📞 Auto-Dials Contacts from Google Sheets

Easily manage your leads with a Google Sheet. This workflow pulls each contact and triggers a phone call using Twilio + Vapi.

• 🧠 Uses Vapi AI Agents for Real-Time Conversations

Each call is handled by a voice AI agent that can speak and respond in real time — great for qualifying leads or pitching.

• 🔄 Rotates Phone Numbers Automatically

Supports multiple agents (Agent 1 & Agent 2) with rotating Twilio numbers for better delivery and lower spam risk.

• 📝 Logs Call Results + Summaries

Automatically logs call summaries, results, and response metadata using Vapi's built-in call data and OpenAI-based summaries.

• 📤 Sends Appointment or Follow-Up Links

If a lead is interested, it can send them a calendar or follow-up link automatically.

• 🔁 Main Loop = Fire-and-Forget

Once started, the workflow continuously loops through your contacts list and works through the queue hands-free.

🧩 Key Integrations

• - 🟢 Google Sheets — Your lead database (names, numbers, etc.)
• - 🔵 Twilio — Telephony infrastructure to make the calls
• - 🟣 Vapi.ai — Voice AI agent for real-time cold calling
• - 🟡 LLM API Key (OpenAI, Gemini, Claude, Grok, etc) — Optional: for summarizing calls using an LLM.
• - 🛠️ n8n — The no-code/low-code automation engine that powers it all

🧠 Who It's For

• - Growth hackers automating lead gen
• - Sales teams looking to scale cold outreach
• - Indie hackers building SaaS with AI voice agents
• - Founders testing outbound calls without a sales rep

📦 What You Get

• - Full n8n JSON workflow file
• - Clean UI with labeled sections (Parse Command, Loop, Agents, Summary)
• - Step-by-step documentation
• - Plug-and-play: just connect your API Credentials (Vapi, Twilio, Google Sheets)

Made by SohamXYZ

https://sohamxyz.com/