Account security and fraud prevention for developers, teams, and enterprises.
Feed Castle any user event for real-time scoring and threat detection. Receive synchronous decisions to block spam registrations and account takeover attempts.
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Request is analyzed across a suite of intelligent risk models.
Less friction means higher conversion. Our invisible APIs let you simplify your registration flow while keeping the spam out of your system.
See ProfilesGet advanced credential stuffing protection straight out of the box with Castle's industry leading account takeover protection.
See ModelsWhether it’s at registration, login, or anywhere in-app, Castle can screen any key user events to filter out the bad bots from the good ones.
See APIsDetection is only half the battle. Automate account recovery flows, step-up auth, or end user alerts with Castle Webhooks & Notifications.
See Policies
Castle profiles your app’s nuanced traffic, its unique users, and each device independently. By learning what’s normal for your app and your users, Castle uniquely identifies anomalies and risks.
Visit ProfilesCastle builds baseline patterns of behavioral norms for each individual user in order to assess anomalies and risky behavior.
Castle's Device Fingerprinting for web, mobile, and APIs identifies each device with high fidelity, so they can be managed with accuracy.
Castle’s open sourced SDKs help you secure events in any language.
CastleContext context = castle.contextBuilder()
.fromHttpServletRequest(request)
.build();
Verdict verdict = castle.client().authenticate(
CastleMessage.builder("$login.succeeded")
.context(context)
.userId("user1234")
.build()
);
verdict.getAction()<script src="https://d2t77mnxyo7adj.cloudfront.net/v1/c.js"></script>
<script>
_castle('setAppId', '451236789012343');
_castle('identify', 'user1234');
</script>
Our products are designed to power user exeperiences inside leading applications. Low latency response times over secure APIs is a top priority.
Learn moreCastle's integration model ensures it is never a single point of failure. Enterprise SLAs guarantee service uptimes to handle scale with confidence.
Learn moreMeeting your organization’s ongoing compliance needs is a priority. We undergo independent third-party audits and certify our products with SOC 2, and more.
Learn more
Castle builds profiles for each user to map out activity streams. Spotlight users at risk, dive into suspicious sessions, and see individual devices responsible for fraud.
Request a DemoA successful integration is one that I don’t have to sit on to use and that can alert us with a minimal amount of false positives. That’s what we have with Castle.
You can test and deploy a fully automated, user-centric approach to account security for free.
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