Honest pros, cons, and verdict on this application security tool
✅ Security policy lives in code, reviewable in pull requests
Starting Price
Free
Free Tier
Yes
Category
Application Security
Skill Level
Developer
Runtime application security that ships inside your code: bot detection, rate limiting, prompt-injection protection, PII redaction, and email validation as SDK building blocks.
per month
per month
Arcjet delivers on its promises as a application security tool. While it has some limitations, the benefits outweigh the drawbacks for most users in its target market.
Runtime application security that ships inside your code: bot detection, rate limiting, prompt-injection protection, PII redaction, and email validation as SDK building blocks.
Yes, Arcjet is good for application security work. Users particularly appreciate security policy lives in code, reviewable in pull requests. However, keep in mind library model means each app/service needs the sdk integrated.
Yes, Arcjet offers a free tier. However, premium features unlock additional functionality for professional users.
Arcjet is best for Protecting SaaS sign-up and login from bots and credential stuffing and Adding prompt-injection and PII safeguards to LLM endpoints. It's particularly useful for application security professionals who need advanced features.
There are several application security tools available. Compare features, pricing, and user reviews to find the best option for your needs.
Last verified March 2026