Automated Email Validation with Google Sheets, Hunter.io and EmailValidation.io

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