Real-time SMTP verification, email finder, and bulk processing. Self-hosted infrastructure means 10x lower costs than ZeroBounce or NeverBounce.
curl -X POST https://mailcaff.com/api/v1/verify \
-H "Authorization: Bearer mc_live_xxx" \
-d '{"email": "john@company.com"}'{
"email": "john@company.com",
"status": "safe",
"is_valid": true
}SMTP handshake verification that checks if the mailbox actually exists. No database lookups or guesswork.
Upload up to 1,000 emails per request. Process large lists fast with parallel verification.
Find professional email addresses from a person's name and company domain. Perfect for sales teams.
Identify domains configured to accept all email addresses, so you can handle them appropriately.
Automatically flag role-based addresses like info@, admin@, and support@ to keep your list clean.
Monitor your API usage, verification history, and billing in real-time from a clean dashboard.
Start free. Upgrade when you need more.