The new standard in verified
email deliverability.

Maximise your email deliverability and sender reputation by removing invalid emails, hard bounces, and spam traps before you hit send.

Enter an email address below to test our verifier
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Native provider coverage
  • Microsoft
  • Google
  • iCloud
  • Yahoo
  • Proton
  • QQ Mail
  • NetEase
& every other business domain via SMTP
99.99%
Verification accuracy
Zero catch-alls
No guesswork, no false positives
Pay-as-you-go

A simple, honest rate card.

Slide to the volume you send each month, see the price instantly. No subscriptions, no seat fees, no surprises.

volume
10,000
Verifications
You pay
$10
$1.00 per 1,000
Get 10,000 Verifications · $10
Pay once. No subscription. Credits never expire.

Wire it into the tools you already run.

Every verdict flows out the moment it lands. Invalids suppressed, deliverable contacts tagged, sending lists kept quietly clean. Eight destinations, zero duct tape.

  • Webhook
    POST every verdict to any signed URL.
    HMAC
  • SendGrid
    Sync invalids straight to suppression.
    API key
  • Klaviyo
    Suppress invalids from flows and campaigns.
    Private key
  • ActiveCampaign
    Tag contacts by deliverability verdict.
    API key
  • Customer.io
    Keep the people file free of bounces.
    Track API
  • Zapier
    Route verdicts into 7,000+ apps.
    REST hook
  • Mailchimp
    Archive and clean your audience automatically.
    OAuth
  • HubSpot
    Stamp contacts with verification state.
    OAuth
Not on the list? POST anywhere with the webhook destination, or wire your own adapter through the API.
For developersREST · JSON

Verify at the API edge.

Drop a single HTTPS call into your signup flow, CRM, or nightly hygiene job. Same verification engine as the dashboard, same credit balance — no separate plan, no retainer.

Get an API keyRead the reference →
  • 01
    One endpoint, one call

    POST /api/v1/validatewith an email address. Same verifier as the dashboard — retries, timeouts, and three-strike confirmation built in.

  • 02
    Decisive verdicts

    Every response returns a single classification — deliverable or invalid. No catch-alls, no risky mid-grades to interpret.

  • 03
    Scoped, revocable keys

    Issue keys from the dashboard, each SHA-256 hashed at rest and rate-limited to 10/sec burst, 1/sec sustained. Revoke instantly.