☎️ Voice & TelephonySimple🧠 AI-powered

reply-handler

A 14-step voice & telephony automation, triggered by webhook, connecting Webhook, PostgreSQL, Google Sheets, OpenRouter (LLM), Twilio, with built-in AI reasoning.

⬇ Download workflow JSON
💡

What this does for your business

In plain terms: this answers or makes phone calls for you with an AI voice — booking, qualifying or informing callers whenever it receives a request or form submission, no staff required.

14
Nodes
5
Integrations
14
Connections
Webhook
Trigger

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🏗️ Architecture diagram

The real node graph exported from n8n — triggers (green), AI nodes (violet), services and logic — laid out as they run.

🔗Webhook - Inbound SMSwebhookExtract Reply Datacode🐘Fetch Conversation Th…postgres📊Look Up Lead in SheetsgoogleSheetsMerge Lead + Reply Co…code🐘Log Inbound Reply to …postgres📊Mark Lead as Replied …googleSheetsPrepare Agent Inputset🧠AI Agentagent🧠OpenRouter Chat ModellmChatOpenRouter🧠Postgres Chat MemorymemoryPostgresChat☎️Send AI Reply to Leadtwilio🐘Log AI Reply to Supab…postgresNotify Owner of ReplyexecuteWorkflow

⚙️ How it works

  1. Webhook - Inbound SMS · webhook
  2. OpenRouter Chat Model · lmChatOpenRouter
  3. Postgres Chat Memory · memoryPostgresChat
  4. Extract Reply Data · code
  5. AI Agent · agent
  6. Fetch Conversation Thread · postgres
  7. Look Up Lead in Sheets · googleSheets
  8. Send AI Reply to Lead · twilio
  9. Merge Lead + Reply Context · code
  10. Log AI Reply to Supabase · postgres
  11. Log Inbound Reply to Supabase · postgres
  12. Notify Owner of Reply · executeWorkflow
  13. Mark Lead as Replied in Sheets · googleSheets
  14. Prepare Agent Input · set

💼 Business analysis

🎯

Business use case

An AI voice/telephony workflow that handles calls — booking, qualifying or answering — without human agents, ideal for reception, scheduling and outbound campaigns.

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Market need

Phone handling is costly and hard to staff. AI voice agents answer every call instantly and scale infinitely — a fast-growing, high-value category.

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Market value

AI voice-agent platforms charge per-minute plus $99–$999/mo. Voice is one of the fastest-growing AI categories in 2025–2026.

🧩 Integrations & stack

🔗Webhook🐘PostgreSQL📊Google Sheets🧠OpenRouter (LLM)☎️Twilio
Node typeswebhook, code, postgres, googleSheets, set, agent, lmChatOpenRouter, memoryPostgresChat, twilio, executeWorkflowWorkflow IDwOQVm2Jmtpx9ocVO
⬇ Download workflow JSON ← Back to library