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Email Validation API

Stop disposable emails from ruining your business

Protect your signups with industry-leading detection. Block 160,000+ disposable domains with a single API call.

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Lifetime license available
5-minute setup
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See it in action

Test any email or domain instantly. See how PureSignup protects your business from disposable emails.

Try these examples:

{
"subject": "10minutemail.com",
"subject_type": "domain",
"risk_level": "high",
"domain": "10minutemail.com",
"sources": [ "SRC_A", "SRC_B", "SRC_C", "SRC_D", "SRC_F"],
"last_updated": "2025-11-26T20:40:18.559Z",
"checked_at": "2025-11-27T21:35:16.093Z"
}
High Risk - Disposable Email
5 sources
Features

Everything you need to protect your signups

Industry-leading protection with powerful features designed for modern applications

Unmatched Coverage

Never let a fake signup slip through. Our massive database of 160,000+ verified disposable domains catches every threat—giving you peace of mind and clean data.

Start Protecting

Always Up-to-Date

New disposable domains appear daily. Our automated monitoring catches them instantly, so you're always protected against the latest threats—no manual updates needed.

See How

Lightning-Fast Performance

We're blazing fast. Sub-80ms responses with indexed lookups deliver instant results—keeping your users happy and your SEO scores perfect.

Test Speed

5-Minute Setup

From signup to protection in under 5 minutes. Comprehensive docs, curl examples, and SDKs make integration effortless—start blocking fake emails today.

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Trusted by Experts

We aggregate data from industry-leading sources for maximum accuracy. Maximum accuracy means maximum protection for your business.

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Developer-Friendly API

Integrate in minutes, not hours. One simple API call with Bearer token auth—perfect for any tech stack. Ship faster and focus on what matters: growing your business.

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Monthly Plan
$19/month
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Lifetime Deal
$399 once
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10,000 validations/month All Pro features Lifetime access

Ready to protect your signups?

Join thousands of developers using PureSignup to block disposable emails. Start protecting your business today.

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