🎣 Automated email validation with Google Sheets, Hunter.io and EmailValidation.io
⚡ 195 views · 🎣 Lead Generation & Enrichment
💡 Pro Tip — For lead enrichment, ScraperNode can pull LinkedIn profiles, company data, and job listings directly into your pipeline — useful for building prospect lists without manual research.
Description
Streamline your email list hygiene with this automated validation workflow that monitors Google Sheets for new email entries and instantly verifies their deliverability. Perfect for maintaining clean contact databases, reducing bounce rates, and ensuring successful email marketing campaigns.
Key Features
📊 Real-Time Processing
Monitors Google Sheets for new email entries every minute Automatic validation triggers when emails are added Instant deliverability status updates in the same spreadsheet
🔍 Dual Validation Sources
Hunter.io API for comprehensive email verification EmailValidation.io API as backup validation service Cross-verification for higher accuracy
✅ Smart Filtering
Skips empty email cells to prevent unnecessary API calls Processes only valid email formats Handles bulk email list uploads efficiently
📈 Seamless Integration
Updates original spreadsheet with validation results Preserves existing data while adding deliverability status No manual intervention required after setup
Workflow Components
Processing Flow:
Google Sheets Trigger monitors for new rows Filter removes empty email entries Email extraction and formatting Dual API validation (Hunter + EmailValidation.io) Status processing and formatting Automatic spreadsheet updates
Use Cases
Email Marketing: Clean lists before campaigns Lead Generation: Validate new prospect emails Database Maintenance: Regular email hygiene checks CRM Integration: Ensure contact data quality
Setup Requirements
Required:
Google Sheets with email column Hunter.io API key EmailValidation.io API key Google Sheets OAuth2 credentials
Benefits:
Reduce email bounce rates Improve sender reputation Save costs on invalid email sends Maintain clean contact databases
This workflow transforms manual email validation into an automated process, ensuring your email lists stay clean and deliverable without any manual effort. Tags: email-validation, google-sheets, hunter-io, data-cleaning, automation
🔗 Nodes Used
Google Sheets, HTTP Request, Hunter, Google Sheets Trigger, Filter
📥 Import
Download workflow.json and import into n8n:
Workflow menu → Import from File