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Arcjet · Method

reason.isRateLimit

Arcjet rate limiting restricts how many requests a client can make during a time period. The decision reports whether a request was denied and includes rate-limit usage data.

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Syntax

const decision = await aj.protect(request, { requested });

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  • fixed window rate limit
  • token bucket
  • RateLimit
  • RateLimit-Policy
  • setRateLimitHeaders
  • set_rate_limit_headers
  • ArcjetRuleResult
  • ArcjetReason

Source: Rate limiting reference | Arcjet Docs. Checked 2026-11-03.