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).