Generate and qualify B2B leads from Telegram with Google Maps, Serper, GPT‑4o, and Gmail

Go to Workflow
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Built by Yevhenii Yevhenii
Created on June 07, 2026

Description

How it works
Send a target niche and location via Telegram message
Workflow discovers businesses via Google Maps API
AI enriches contacts with email and LinkedIn data via Serper
GPT-4o scores and qualifies each lead
Personalized cold email sent automatically with follow-ups

Set up steps
Import the workflow JSON into n8n (5 min)
Add credentials: OpenAI, Google Maps API, Serper, Gmail, Telegram
Configure the target niche in the settings node
Send a test message to your Telegram bot

Requirements
n8n instance (cloud or self-hosted)
OpenAI API key
Google Maps API key
Serper key
Telegram bot token

Nodes Used (6)

Code
n8n-nodes-base.code
Gmail
n8n-nodes-base.gmail
Google Sheets
n8n-nodes-base.googleSheets
HTTP Request
n8n-nodes-base.httpRequest
OpenAI
@n8n/n8n-nodes-langchain.openAi
Telegram
n8n-nodes-base.telegram