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

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Built by Yevhenii Yevhenii
Created on April 19, 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

This workflow was created by Yevhenii and shared publicly on the n8n community template library. n8nFind indexes it for discovery — the workflow remains the property of its original creator.

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