Arcjet
Runtime security in app code: prompt injection, agent tool authorization, PII redaction, bots, and rate limits.
At a Glance
Arcjet is an AI tool for Localization, search & APIs (category: Development & Code). Free access: Free plan. Paid from $25 (Individual). Documented: 4 plans with prices and limits.
- Category
- Localization, search & APIs
- Paid from
- $25 / month (Individual)
- Free Option
- Free plan
- Plans
- 4
- Sources
- 3 verified sources
Category: Development & Code · Localization, search & APIs
Features
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.
- Free 10k requests, Individual $25, Startup $299 / month
- Prompt injection and agent tool guards in app code, not Cloudflare WAF alone
Prices and plans
| 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. |
Prices per vendor, excl. taxes/VAT where applicable.
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.
Alternatives and similar tools to Arcjet
Arcjet alternatives comparison →
FAQ
Is Arcjet available for free?
Yes. A permanently free plan is published, not a time-limited trial.
How is Arcjet billed?
Prices in US dollars as listed by the vendor, without currency conversion. There is no Growth plan at $799. On paid plans, usage costs $5/1M (web) and $50/1M (agent). Arcjet is not Cloudflare WAF alone and not a generic API gateway alone.
How much does Arcjet cost?
The cheapest paid plan of Arcjet is Individual at $25. 4 plans are documented in total, each with its price and limits.
Is Arcjet currently available?
Arcjet is still active: Active.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare Ninja team
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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