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Castle

This documentation provides detailed information on generating the Castle x-castle-request-token.

What is Castle?

Castle is an anti-bot service designed to prevent automated attacks such as account takeovers, fake account creation, and policy-violating behaviors. It monitors browser characteristics, user behavior, and request patterns to detect malicious activity.

x-castle-request-token

When interacting with Castle-protected endpoints, you must include a valid x-castle-request-token. This token is generated using various browser-specific factors, including the __cuid cookie and other session details. Our API generates this token, making it easy to integrate with Castle-protected websites.

An example website using it is DailyPay.

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