SENTINEL
SENTINEL
Blocked 92% of bot signups without CAPTCHAs. Render sub-50ms trust decisions using infrastructure and behavioral signals. One endpoint. One decision.
Brittle databases that fail against dynamic threats and automated infrastructure rotation.
A blunt instrument that degrades legitimate user experience while failing to stop sophisticated bots.
User-hostile challenges that are easily defeated by modern AI and low-cost labor farms.
Stop guessing. Get 99.9% verification accuracy in under 50ms.
A simple API check that validates requests based on infrastructure and behavioral identity.
User hits your API
In-memory signals (<50ms)< /p>
Immediate PASS/BLOCK
Async deep analytics
+35 bonus for verified sessions
Powered by RiskSignal Intelligence
OSI-LAYER-SIGNAL
TEMPORAL-SIGNAL
INTENT-SIGNAL
Sentinel Optional Challenge Architecture (SOCA)
You control when and how challenges appear
No database persistence required
Verified sessions get instant trust recovery
Works on desktop (click) and mobile (touch)
Unusual network activity detected.
This takes a few seconds
See how Sentinel renders a trust decision in real-time.
Primary trust decision endpoint
{
"target": "8.4.2.1",
"profile": "signup"
}Generate behavioral work challenge
{
"target": "8.4.2.1",
"duration": 3.0
}Verify and issue trust token
{
"target": "8.4.2.1",
"nonce": "..."
}const res = await sentinel.check(ip, { profile: 'signup' });
if (!res.allow) {
if (res.remediation?.recommended) {
return res.status(res.http_status).json({
action: "challenge",
challenge_url: "/verify"
});
}
return res.status(res.http_status).send(res.reason);
}Local IPs never blocked
X-Sentinel-Bypass for testing
Redact granular geo-data
20-minute LRU TTL, no persistence
Join developers protecting their APIs with clear, signal-based trust decisions.