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Qualify & reach out to B2B leads with Groq AI, Apollo, Gmail & Sheets

VKAPS ITVKAPS IT
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2/3/2026
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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).

n8n Workflow: Qualify B2B Leads with Groq AI, Apollo, Gmail & Google Sheets

This n8n workflow automates the process of qualifying B2B leads, generating personalized outreach emails using AI, and managing the outreach status in Google Sheets. It's designed to streamline lead qualification and initial contact, saving time and ensuring consistent communication.

What it does

This workflow performs the following steps:

  1. Triggers on New Google Sheet Rows: It continuously monitors a specified Google Sheet for new rows, indicating new leads to process.
  2. Retrieves Lead Data: For each new row, it extracts lead information such as company name, website, and contact details.
  3. Enriches Lead Data via Apollo: It uses an HTTP Request node to query the Apollo.io API to find additional information about the company, such as industry, employee count, and more.
  4. Qualifies Leads with AI: It leverages a Groq AI Chat Model to analyze the lead data and Apollo.io enrichment to determine if the lead is a good fit based on predefined criteria (e.g., industry, company size, etc.).
  5. Generates Personalized Email Drafts: If the lead is qualified, the Groq AI Chat Model then generates a personalized outreach email draft tailored to the lead's company and relevant pain points.
  6. Parses AI Output: A Structured Output Parser extracts the key components of the AI-generated email (e.g., subject, body) into a structured format.
  7. Sends Personalized Emails (Drafts): It uses Gmail to send the AI-generated email drafts to the qualified leads.
  8. Updates Google Sheet Status: Finally, it updates the original Google Sheet with the qualification status and the date the email was sent, providing a clear overview of the outreach progress.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running n8n instance.
  • Google Sheets Account: With a spreadsheet containing your B2B leads.
  • Google Account (for Gmail): To send outreach emails.
  • Apollo.io Account: To enrich lead data via their API.
  • Groq API Key: For the AI Chat Model to qualify leads and generate emails.

Setup/Usage

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Configure Credentials:
    • Google Sheets Trigger: Set up your Google Sheets credentials and specify the spreadsheet and sheet name to monitor for new leads.
    • HTTP Request (Apollo.io): Configure an HTTP Request node with your Apollo.io API key and the necessary API endpoint for company enrichment.
    • Groq Chat Model: Add your Groq API key to the Groq Chat Model node.
    • Google Sheets (Update): Ensure your Google Sheets credentials are set up for updating the sheet.
  3. Customize AI Agent and Prompts:
    • AI Agent (Qualification): Adjust the prompt within the "AI Agent" node to define your specific lead qualification criteria.
    • Groq Chat Model (Email Generation): Modify the prompt in the "Groq Chat Model" node to guide the AI in generating personalized and effective outreach emails.
  4. Activate the Workflow: Once configured, activate the workflow to start monitoring your Google Sheet for new leads and automating your outreach.

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