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Castle

Stop fake accounts. Protect real ones

Actively Hiring Highly Rated Top Tier Investor Work/Life Balance Strong Leadership

Overview

Employees
11-50
Locations
New York City, Malmö
Castle's lightweight API lets you block large-scale bot attacks, fake signups, and account takeovers — all without the hassle of CAPTCHAs.

Industries

Internet Security Developer APIs Fraud Detection Cyber Security

Jobs

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