Email Validation API

Stop Fake Signups Before They Start

Protect your app from disposable and temporary emails with the fastest detection API. Block trial abuse, improve data quality, and reduce fraud.

api-armor — bash — 80×24
~curl"https://bifrost.api-armor.com/v1/check?email=layohe8924@badfist.com" \
-H"Authorization: Bearer aa_M4nT8xK2pQ5wR9sY7vB3zN6cF1hJ0gL"
HTTP/1.1200 OK
{
"email": "layohe8924@badfist.com",
"is_disposable": true,
"domain": "badfist.com",
"free_email": false
}
~
The Problem

Fake Users Cost Real Money

Disposable emails let bots abuse your free trials, skew your analytics, and create security vulnerabilities.

Trial Abuse

Disposable emails let bots grab your free trials endlessly, costing you money and resources.

Bad Data

Skewed sign-up metrics ruin your marketing ROI and churn analysis.

Security Risk

Temporary emails are perfect for spam, account takeovers, and malicious activity.

CAPTCHA Blindspot

CAPTCHAs stop bots, but disposable emails slip right through undetected.

Why API Armor

What Makes API Armor Different

Built for developers who need accuracy, speed, and reliability.

Lightning Fast

50ms average response time worldwide. Edge-deployed across 300+ locations.

Always Updated

100M+ disposable domains updated in real-time from 1000+ sources.

Smart Heuristics

ML models detect newly created disposable domains before they hit public lists.

Privacy-First

We never store the emails you check. Zero logs, zero data retention.

Simple Pricing

No hidden fees or confusing tiers. Pay only for what you use.

Generous Free Tier

1,000 free checks per month. No credit card required to start.

Use Cases

Works Everywhere Emails Matter

Protect every entry point in your application.

SaaS Applications

Block disposable emails at signup, prevent free trial abuse, and ensure your user base is legitimate.

E-commerce Platforms

Prevent discount code abuse, reduce fraudulent orders, and maintain a clean customer database.

CRMs & Marketing Tools

Keep your contact lists clean and improve email deliverability. Protect your sender reputation.

Authentication Systems

Add an extra layer to your auth flow. Prevent account creation with temporary emails.

Integration

Simple REST API

One API endpoint. Clean JSON responses. Works with any programming language.

View API Reference
Start protecting today

Ready to block fake signups?

Start protecting your application with 1,000 free email checks per month.