Sniffmail
Verifies email addresses in real-time via API, checking syntax, MX records, disposable domains, and mailbox existence.
An email verification API that checks if email addresses exist before they enter a system, reducing bounce rates and blocking fake signups. It serves developers, marketers, and operations teams in B2B companies of all sizes. It is positioned as a cost-effective alternative to competitors, offering usage-based pricing and a free tier.
Key features
- Syntax validation against RFC standards
- Domain and MX record checks
- Disposable email detection (3,000+ providers)
- Deep SMTP mailbox verification
- Local disposable email detection (10,000+ domains)
- Bulk email list verification
- Catch-all detection
- Role account detection
- Domain age check
- Credits never expire
- Free tier: 500 verifications/month
- No social media activity within the last 30 days
GTM channels
- Marketplace
- API
- Docs
ICP
- Software developers
- Marketing teams
- Operations teams