Welcome to Verifio
Real-time email verification API that helps you maintain clean email lists and improve deliverability.
What is Verifio?
Verifio is a powerful email verification service that validates email addresses in real-time. It checks syntax, DNS records, disposable email detection, role-based email detection, and SMTP validation to ensure your emails reach real inboxes.
Quick Start
Verify your first email in under 5 minutes
API Reference
Complete API documentation with examples
Node.js SDK
Install and use the official Node.js SDK
Self Hosting
Deploy Verifio on your own infrastructure
Key Features
- Real-time Verification - Verify emails instantly via API
- Bulk Verification - Process thousands of emails in background jobs
- Multiple SDKs - Official support for Node.js, Python, Go, and more
- Self-hostable - Run on your own infrastructure with Docker or Kubernetes
- Credit System - Pay-as-you-go pricing with transparent credit usage
Verification Checks
| Check | Description |
|---|---|
| Syntax | Validates email format and structure |
| DNS | Checks if domain has valid MX records |
| Disposable | Detects temporary/throwaway email providers |
| Role-based | Identifies role addresses like info@, support@ |
| Free Provider | Detects free email providers like Gmail, Yahoo |
| Typo Detection | Suggests corrections for common typos |
| SMTP | Verifies mailbox exists without sending email |
Verification States
type VerificationState =
| 'deliverable' // Safe to send
| 'undeliverable' // Will bounce
| 'risky' // Might bounce
| 'unknown' // Could not verifyNext Steps
- Get your API key - Sign up at verifio.email and create an API key from your dashboard.
- Install an SDK - Choose your preferred language and install the official SDK.
- Verify your first email - Make your first API call and see the verification results.