Qualify & Reach Out to B2B Leads with Groq AI, Apollo, Gmail & Sheets

This workflow contains community nodes that are only compatible with the self-hosted version of n8n.

🎯 How it works This workflow captures new lead information from a web form, enriches it with Apollo.io data, qualifies the lead using AI, and—if the lead is strong—automatically sends a personalized outreach email via Gmail and logs the result in Google Sheets.

🛠️ Key Features 📩 Lead form capture with validation

🔍 Enrichment via Apollo API

🤖 Lead scoring using AI (LangChain + Groq)

📧 Dynamic email generation & sending via Gmail

📊 Logging leads with job title & org into Google Sheets

✅ Conditional email sending (score ≥ 6 only)

🧪 Set up steps Estimated time: 15–20 minutes

Add your Apollo API Key to the HTTP Header credential (never hardcode!)

Connect your Gmail account for sending emails

Connect your Google Sheets account and set up the correct spreadsheet & sheet name

Enable LangChain/Groq credentials for lead scoring and AI-generated emails

Update the form endpoint to your live webhook if needed

📌 Sticky Notes Add the following mandatory sticky notes inside your workflow:

FormTrigger Node: "Collects lead info via form. Ensure your form is connected to this endpoint."

HTTP Request Node: "Enrich lead using Apollo.io API. Add your API key via header-based authentication."

AI Agent (Lead Score): "Scores lead from 1-10 based on job title and industry match. Only leads with score ≥ 6 proceed."

AI Agent (Email Composer): "Generates a concise, polite email using lead’s job title & company. Modify tone if needed."

Google Sheets Append: "Logs enriched lead with job title, org, and LinkedIn URL. Customize sheet structure if needed."

Gmail Node: "Sends personalized outreach email if lead passes score threshold. Uses AI-generated content."

💸 Free or Paid? Free – No paid API services are required (Apollo has a free tier).