Bulk list verification, at any scale
Upload CSV, XLSX, or TXT — even with extra columns. Credits deduct only for emails processed. Results back in your original format, clean and ready to send.
CSVXLSXTXTAny column order
Live SMTP Verification Engine
Email verification
that kills bounces.
At scale.
Real-time SMTP handshake verification that flags bad emails before they torch your sender reputation. Buy credits, upload your list, get results.
Free 100 credits · No credit card · No subscription
- 97% accuracy
- Silent SMTP handshake
- No emails sent to verify
- Credits never expire
Built to protect your sender reputation
Every credit goes toward keeping bad emails out of your sends — before they cost you far more in deliverability.
Verify without sending a single email
We knock on the mail server door and walk away. No test emails, no bounces logged, no footprint on their end. Your domain reputation stays spotless.
8 checks. One credit. One verdict.
Format, DNS, MX, SMTP handshake, disposable inbox, role-based, catch-all — all in one pass.
- Format check
- Disposable inbox
- DNS / MX lookup
- Role-based address
- SMTP handshake
- Catch-all detection
Drop it into any stack with one API call
One endpoint, one key, one credit per call. Integrate into your signup flow, CRM, or outreach tool in minutes.
POST /v1/verify
{ "email": "john@company.com" }
→ { "status": "safe", "score": 97 }Buy credits. Verify. Done.
No subscriptions, no dashboards to configure, no waiting on support.
1
Buy Credits & Upload
Purchase a credit pack — no subscription needed. Drop in a CSV, XLSX, or TXT and pick your email column. That's it.
2
Credits Deduct Per Email
One credit per verification. Our engine runs 8 checks using live SMTP — no emails sent, no risk to your sender reputation.
3
Download Clean Results
Get your original spreadsheet back with a status column: Safe, Risky, Invalid, or Unknown. Export and deploy immediately.
results_verified.csvComplete4 of 4 verified
- john.smith@company.comSafe
- noreply@domain.ioRisky
- fake.address@nowhere.xyzInvalid
- contact@enterprise.comSafe
Pay per verification. Nothing else.
One credit = one verified email. No monthly fees, no expiry, no overages.
Free
$0
100 credits · every month
- 100 email verifications/mo
- Bulk CSV upload
- Full history & export
- API access
Most Popular
Growth
$29
10,000 credits · one-time
- 10,000 credits (1 per email)
- Bulk CSV upload
- Full history & export
- API access
- Priority processing
Pro
$79
50,000 credits · one-time
- 50,000 email verifications
- Bulk CSV upload
- Full history & export
- API access
- Priority processing
- Dedicated support
How many emails to verify?
10,000 emails
You pay
$29
$0.0029 per email
10K25K50K100K500K1M5M10M50M
- Credits never expire
- No subscription · cancel anytime
- 100 free credits on signup
- No credit card required
Frequently asked questions
We perform a live SMTP handshake — we knock on the mail server's door, check if the mailbox exists, then walk away before any email is sent. No test message lands in the inbox, and no bounce is logged against your domain.
Start scaling your outreach today
Buy credits once. Verify on your schedule. No subscription. No risk.