Audience
Developers, teams and enterprises in search of an account security and fraud prevention solution to automate their security processes
About Castle
Feed Castle any user event for real-time scoring and threat detection. Receive synchronous decisions to block spam registrations and account takeover attempts. Less friction means higher conversion. Our invisible APIs let you simplify your registration flow while keeping the spam out of your system. Get advanced credential stuffing protection straight out of the box with Castle's industry leading account takeover protection. Whether 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. Detection is only half the battle. Automate account recovery flows, step-up auth, or end user alerts with Castle Webhooks & Notifications. 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.