SMTP · MX · Catch-all
Verify any email.
Even catch-alls.
7-stage SMTP pipeline. 96% verified deliverable — including the Gmail Workspace, M365, and corporate catch-all domains every other tool gives up on.
7 stages. 280ms median.
FAQ
How accurate?+
96% verified including catch-all domains via our 7-stage pipeline (syntax → MX → SMTP → catch-all probe → role check → disposable → greylist retry).
Catch-all domains?+
Yes — we resolve catch-all addresses via Gmail/Outlook/M365 inbox-probing with deliverability scoring, not a blanket 'unknown'.
Bulk limit?+
1M rows per upload. Results in 20-60 min depending on domain mix.
API?+
REST + webhooks. 500 req/sec. SOC 2 Type II.
Pricing?+
Unlimited verifications on every paid plan ($29-$119/mo). No per-credit fees.
Real-time vs batch?+
Both. Real-time signup-form verify in <250ms or batch via CSV/API.
Bounce guarantee?+
<2% bounce rate or we credit the difference.
Privacy?+
GDPR + CCPA. No customer-list reuse for training.