Qualify and route HVAC and plumbing enquiries with OpenAI and Telegram
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 12 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects OpenAI Chat Model and Telegram.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Confirm Receipt (Respond to Webhook): sends the response back to the webhook caller
- Collect Enquiry Details (Code): runs custom JavaScript code
- Qualify The Enquiry (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model; output parser: Structured Output Parser
- Build Dispatcher Brief (Code): runs custom JavaScript code
- Genuine Enquiry? (If): checks a condition and branches into true / false
- Emergency? (If): checks a condition and branches into true / false
- Alert On-Call Tech (Telegram): send message
- Send To Dispatch (Telegram): send message
Services it uses
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)
- Webhook
n8n-nodes-base.webhook - Respond to Webhook
n8n-nodes-base.respondToWebhook - Code
n8n-nodes-base.code - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - If
n8n-nodes-base.if - No Operation, do nothing
n8n-nodes-base.noOp - Telegram
n8n-nodes-base.telegram
From the author
Quick Overview This workflow receives inbound job enquiries via a webhook, uses OpenAI to classify and summarize them into structured fields, then routes genuine enquiries to Telegram with a separate emergency alert for on-call technicians. How it works 1.…