Arcjet

Arcjet is a runtime security platform that developers integrate directly into their applications, protecting AI agents and web services at the exact point where actions occur. Instead of routing traffic through a separate gateway, security decisions are enforced inside the application itself, so protection stays close to your code and reacts in real time.

With its SDKs and framework integrations, Arcjet lets your application inspect agent prompts as well as tool inputs and outputs, enforce policies before any action executes, redact sensitive information, manage usage budgets, and record audit evidence. This means risky requests get caught before they cause harm, and every decision leaves a trail you can review.

Beyond AI agent protection, Arcjet also covers everyday web threats with bot detection, a WAF, rate limiting, email validation, and signup form protection. Policies can be managed in code or remotely, giving teams the flexibility to ship securely without adding operational overhead.