# Arcjet — AI Compare Ninja

> Runtime security in app code: prompt injection, agent tool authorization, PII redaction, bots, and rate limits.

## Overview
- **Category:** Development & Code (Localization, search & APIs)
- **Status:** Active · checked - Active.
- **Paid from:** $25 / month (Individual)
- **Free access:** Free plan
- **Website:** https://arcjet.com/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/arcjet

## What it does
- Free 10k requests, Individual $25, Startup $299 / month
- Prompt injection and agent tool guards in app code, not Cloudflare WAF alone

## In brief
Arcjet is runtime security in app code. It checks prompt injection, authorizes agent tool calls, redacts PII, and blocks bots, abuse, rate limits, and Shield WAF. That is not Cloudflare WAF alone.

After the 15-day trial, Free stays hard-capped at 10,000 requests/month. Individual $25 and Startup $299 are the monthly list seats. Usage $5/1M web and $50/1M agent. No Growth $799.


## Limits
protect() counts as a web request. Agent protection counts as an agent request. The trial has usage limits. Paid has no hard request cap. Budget thresholds are named on the pricing page.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Free | free | month | After the 15-day trial: Free with a hard cap of 10,000 requests/month. No overage billing over the cap.; Lift the cap only by setting up billing and a paid plan. No Growth $799 tier on the vendor page. |
| Individual | $25 | month | $25/month. 1 team member, 1 hour log retention, email support.; Paid usage: web requests $5/1M, agent requests $50/1M. No hard request cap on paid plans. |
| Startup | $299 | month | $299/month. 2 team members, 24 hour log retention, email plus Slack.; Same usage meter: web $5/1M, agent $50/1M. No Growth $799 on the vendor page. |
| Enterprise | contact sales | contract | Custom pricing. Unlimited team members, SIEM export, priority support.; Dedicated capacity, regional processing, custom retention, multi-org, SCIM, audit export, SLA. No list seat. |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://arcjet.com/
- https://arcjet.com/pricing
- https://docs.arcjet.com

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/arcjet*