Catch malicious signups before it's too late.
The easy API for instant defense against fake accounts, temporary inboxes, and signup abuse
Built for developer pipelines
Instant email intelligence at signup
Protect free trials, stop promo code farming, and keep your user directory clean with a single lightweight HTTP request.
- Canonical address normalization
- Automatically strips sub-address tags (`+promo`) and dot variants to detect duplicate user signups across providers like Gmail and Outlook.
- Shannon entropy analysis
- Calculates local-part randomness score to flag auto-generated bot accounts and synthetic spam addresses instantly.
- MX & disposable domain checks
- Live DNS lookups paired with daily updated blocklists detect temporary 10-minute inboxes and invalid mail servers.
- Median global latency
- < 25ms
- Disposable domains tracked
- 15,000+
- Average Uptime*
- 99.99%
Pricing
Choose the right plan for you
Choose an affordable plan that’s packed with the best features for engaging your audience, creating customer loyalty, and driving sales.
Hobby
$29.99 /month
The perfect plan if you're just getting started with our product.
- 10,000 checks / month
- Whitelisting
- See Blocked Emails
- 5 team members
Enterprise
$99.99 /month
Dedicated support and infrastructure for your company.
- 50,000 checks/month
- Whitelisting
- Blocklisting
- 50 team members
- Webhooks
Stop losing money to fake accounts today.
Get your website protected from automated or malicious signups.
Frequently Asked Questions
Everything you need to know
Answers to common questions about our product, pricing, and support.