We Stop
Fraud.
Before It
Hides.
Fake users cost you money. Sentinel tells you if a visitor is a real person or a fraudster hiding behind a VPN, proxy, or bot, so you can block them before damage is done.
Fraudsters use tools to make themselves look like normal users from home internet connections. Other fraud tools can't see through this. Sentinel can, catching the threats everyone else misses.
Every visitor gets checked against 20+ signals, their network, device, location, and behavior. You get a simple yes/no answer: is this person real, or a threat?
Teams who switch to Sentinel don't go back. It plugs into your existing setup in minutes, works in real time, and there are no hidden fees or long-term contracts.
Up and running
in minutes.
Three steps. No infrastructure changes. No friction for real users.
Drop one script tag onto your page. Sentinel invisibly collects a session token from every visitor, no cookies required.
Forward the token from your backend using your API key. One POST request returns a full risk assessment in under 40ms.
Block, challenge, or flag based on isSuspicious. Your rules, your logic, zero lock-in.
Every threat vector,
covered.
One simple API call checks for every type of fraud, bots, VPNs, fake accounts, and more.
Catch fraudsters who disguise their location using home internet connections, rotating proxies, and datacenter servers.
Detect Kameleo, GoLogin, AdsPower, Dolphin, and other antidetect browsers. Fingerprint tampering, spoofed canvases, and faked device profiles can't hide.
Detect AI-powered bots that click, scroll, and type like real humans, the new generation of fraud that bypasses CAPTCHAs.
Block attackers who try thousands of stolen passwords against your login page, before they get in.
Know when someone is hiding their identity through a VPN or the Tor network, and see exactly which country they're really in.
Works with any programming language or platform. Add one API call to your code and you're protected.
Sentinel
in action.
Watch a live evaluation, from API call to risk decision, in real time. Click play to run the demo.
[ View Full Docs → ]method: 'POST',
headers: {
'Authorization': 'Bearer sk_...'
},
body: { token: }
});
"isSuspicious": false,
"score": 0,
"details": {
"vpn": false,
"proxy": false,
"ip": "84.15.201.92"
}
}
See how fraud detection stops chargebacks, fake accounts, and trial abuse.
Automated carding bots were flooding checkout with stolen cards. Sentinel identified the scripts in 48 hours and shut them down completely, lifting legitimate pledge rates 12%.
[ Read Case Study → ]Competitors were spinning up proxy-masked accounts to scrape pricing data and burn through trial credits. One API integration stopped it cold in a single afternoon.
[ Read Case Study → ]A coordinated friendly-fraud ring was filing chargeback disputes at scale using residential proxies. Sentinel's behavioral layer flagged the pattern before a single dispute was processed.
[ Read Case Study → ]We beat IPQS, Spur,
Sift, and DataDome.
Faster detection, higher accuracy, and actually free. No sales calls, no contracts.
| Feature | Sentinel | IPQS | Spur | Sift | DataDome |
|---|---|---|---|---|---|
| Free tier | ✓ Unlimited | 5,000/mo | ✗ Paid only | ✗ Enterprise | ✗ Enterprise |
| API Latency (p99) | < 40ms | ~200ms | ~120ms | ~500ms+ | JS-inject only |
| Setup time | < 5 min | ~1 hour | ~2 hours | Days + sales | Days + proxy |
| VPN / Proxy detection | ✓ | ✓ | ✓ | Limited | ✓ |
| Residential proxy detection | ✓ | Weak | ✓ | ✗ | ✓ |
| Antidetect browser detection | ✓ | ✗ | ✗ | ✗ | ✗ |
| Device intelligence | ✓ Full | ✗ | ✗ | Basic | Basic |
| No PII stored (GDPR) | ✓ By design | Stores IPs | Stores IPs | Stores data | Stores logs |
How Sentinel stacks up
Learn how modern fraud works
Start protecting
your platform today.
No credit card. No usage limits. Integrate in under 5 minutes.
GDPR Compliant · No PII Stored · Open API