now in public beta

Email verification
that actually works

One script tag. Syntax check, disposable detection, MX lookup, and OTP confirmation โ€” all in one.

// features
Everything in one tag
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Instant syntax check
Catches invalid formats while the user is still typing. Zero API calls.
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Disposable detection
Blocks throwaway email providers like Mailinator, TempMail, and 30+ others instantly.
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MX record lookup
Verifies the domain actually has mail servers configured and can receive email.
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Probe delivery
Sends a silent probe and tracks delivery or bounce to confirm inbox existence.
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OTP confirmation
Beautiful 6-digit code popup โ€” automatically shown, no extra code needed.
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Abuse protection
Rate limiting, brute force protection, and daily quota guards built in.
// how it works
Four stages, one tag
1
Syntax + Disposable
Instant client-side check while typing
2
MX Lookup
Domain verified via Cloudflare edge
3
Probe Email
Silent delivery check, bounce tracked
4
OTP Code
6-digit confirmation, inbox proven
// integration
Two lines of code
HTML
JavaScript
Auto-bind
<!-- 1. Add the script tag --> <script src="https://1e39958a.probify-cdn.pages.dev/probify.js" data-api-key="YOUR_API_KEY"></script> <!-- 2. Add your input and button --> <input id="email" type="email" placeholder="you@example.com" /> <button id="submit">Sign up</button>
// pricing
Simple, honest pricing
FREE
$0/mo
Perfect for side projects
  • 300 verifications/day
  • OTP confirmation
  • Disposable detection
  • MX lookup
  • Community support
ENTERPRISE
$49/mo
For scale
  • Unlimited verifications
  • Everything in Pro
  • Dedicated worker
  • SLA guarantee
  • Custom integration help