Castle
ActiveBlock bots & bad behavior
What it does
Instantly stop automated and human-originated account takeovers, fake accounts, and any behavior that violates your platform policies.
Its site says now · captured 2026-08-23
Castle – Stop bots and account abuse at scale
A complete suite of SDKs and APIs to monitor users, block bots, and stop in-app fraud.
Next to it in Security and compliance · Bot and fraud detection platform
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