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Arcjet · Function

isBot

Arcjet's detectBot rule finds automated clients in Next.js requests. You can allow selected bots, deny selected bots, or block all detected bots with an empty allow list.

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Syntax

detectBot({ mode?: "LIVE" | "DRY_RUN", allow: Array<ArcjetWellKnownBot | ArcjetBotCategory> })
detectBot({ mode?: "LIVE" | "DRY_RUN", deny: Array<ArcjetWellKnownBot | ArcjetBotCategory> })

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  • arcjet
  • detectBot
  • decision.isDenied()
  • decision.reason.isBot()
  • decision.results
  • isSpoofedBot
  • isMissingUserAgent
  • Arcjet Filters

Source: Bot protection reference for Next.js | Arcjet Docs. Checked 2026-11-03.