Introduction
Protect your application from fraud and abuse. Bifrost validates emails and IP reputation via REST API; Argus fingerprints devices with an embeddable browser SDK.
Simple REST API
Easy-to-integrate REST API with a single endpoint
99.9% Uptime
Reliable service with guaranteed uptime
Free Tier
Free tier available for developers
Real-time Updates
Domain database updated in real-time
Two products, one platform
Bifrost is a REST API for disposable-email and IP-reputation checks you call from your backend. Argus is an embeddable device-fingerprinting SDK you add to your website with a single <script> tag — no backend calls required.
Argus: Device Fingerprinting
Identify and re-recognize devices with a privacy-respecting browser SDK. Requires a Developer or Pro plan.
Argus Quick Start
Add one script tag and start identifying visitors in five minutes.
Quick Examples
Get started in seconds with simple API calls:
Check Email
curl "https://bifrost.api-armor.com/v1/check?email=layohe8924@badfist.com" \
-H "Authorization: Bearer aa_abc123xyz789"Response:
{
"email": "layohe8924@badfist.com",
"is_disposable": true,
"domain": "badfist.com",
"free_email": false
}Check IP Intelligence
curl "https://bifrost.api-armor.com/v1/ip-reputation-check?ip=159.89.165.46" \
-H "Authorization: Bearer aa_abc123xyz789"Response:
{
"ip": "159.89.165.46",
"country": "United States",
"city": "Santa Clara",
"isp": "DigitalOcean, LLC",
"reputation": {
"risky": true,
"reputation": "suspicious",
"sum": 28,
"kind": ["hosting"]
}
}Get Your Free API Key
Ready to get started? Sign up for a free API key and start protecting your application today.
Key Features
Email Validation
Detect disposable, temporary, and throwaway email addresses with our constantly updated database. Catch fake signups before they start.
IP Intelligence
Real-time IP threat scoring with detailed geolocation, ISP information, and network classification. Identify VPNs, proxies, hosting providers, and malicious traffic.
Lightning Fast
Average response time under 100ms globally with Redis-backed caching. Our API is optimized for speed without compromising accuracy.
Easy Integration
Simple REST API with clear JSON responses. Integrate in minutes, not hours. SDKs available for all major languages.