Automated B2B Lead Gen: Free Cold Email Workflow with Gemini & Redis

Automated B2B Lead Generation with AI-Powered Cold Email Outreach

Transform your lead generation process with this comprehensive n8n workflow that automatically finds small business prospects, researches their pain points, and generates personalized cold emails using Google Gemini AI—all at zero API cost. This intelligent system chains multiple free Gemini API accounts to bypass rate limits while delivering production-scale results.

What This Workflow Does

This automated lead generation system runs hourly to handle the complete cold outreach pipeline:

• Discovers small business leads using AI-powered web search and scraping via Firecrawl
• Researches each prospect's unique operational challenges and business pain points
• Generates highly personalized cold email copy targeting specific automation opportunities
• Verifies email addresses to ensure deliverability
• Creates Gmail drafts ready for review and sending
• Utilizes a fallback chain of 6 Google Gemini API accounts to maintain continuous operation when rate limits are hit
• Stores lead data and campaign progress in Redis for persistent tracking

Use Cases

• Freelance Automation Consultants: Continuously prospect small businesses needing workflow automation solutions
• Agency Owners: Scale outreach operations without expensive AI API costs
• SaaS Founders: Generate qualified leads for B2B automation tools and services
• Business Development Teams: Automate the research and initial outreach phases of lead generation

Technical Details

Required Community Nodes:

• @mendable/n8n-nodes-firecrawl for AI-powered web scraping
• n8n-nodes-random for randomized parameter selection

Core Integrations: Gmail API, Google Gemini API, Redis database, Firecrawl API

Built-in n8n Nodes: If, Set, Code, No Op nodes for advanced workflow logic and data manipulation

Perfect for automation professionals who want to run consistent cold email campaigns targeting small businesses with manual operational processes, this workflow eliminates the tedious research and writing phases while maintaining personalization at scale.