Changelog
SDK releases, security briefing improvements, new activity view
What's new in Arcjet (2026-07-03). New SDK updates, security briefing email improvements, Nosecone nonce API, and a new Console activity view.
Changelog
11 posts
Changelog
SDK performance releases and proxy detection
What's new in Arcjet (2026-06-12). New versions for each of our JS, Python, and Go SDKs to improve performance and detect proxies.
Company News
Announcing advanced bot signals to detect automation without CAPTCHAs
Arcjet Signals are evaluated without a CAPTCHA and enforced when the request passes through a critical flow. The browser gives us signals. The application gives us intent.
Changelog
Unified skills, Python docs, email management
What's new in Arcjet (2026-05-22). Unified coding agent skills, expanded Python docs, email notification management.
Changelog
Arcjet CLI and team management
What's new in Arcjet (2026-05-15). The Arcjet CLI and team management in the web dashboard.
Company News
Introducing Arcjet Guards: security inside the agent loop
Arcjet Guards runs security rules inside agent tool handlers, queue consumers, and workflow steps - where proxies and WAFs can't see.
Changelog
Advanced client signals, request filtering, build with agents
What's new in Arcjet (2026-04-24). Advanced client signals for bot detection, request filtering in the Arcjet dashboard and agent-focused documentation.
Changelog
Arcjet MCP server, coding agent plugins, weekly security briefing
What's new in Arcjet (2026-04-17). MCP server, a new AI coding agent plugin for Claude Code and Cursor, and new weekly security briefings via email.
Company News
Introducing Arcjet AI prompt injection protection
Introducing Arcjet prompt injection detection. Catch hostile instructions before inference. Works with Next.js, Node.js, Flask, FastAPI, and any JavaScript / TypeScript or Python application.
Company News
Arcjet JS SDK v1.0: Stability as a Developer Feature
We’ve just released v1.0 of the Arcjet JavaScript SDK. After more than two years of building, testing, and iterating in public, the SDK is no longer beta. The API is stable, production-ready, and something teams can confidently build on. F
Python
Introducing the Arcjet Python SDK beta
The Arcjet Python SDK allows you to implement rate limiting, bot detection, email validation, and signup spam prevention in FastAPI and Flask style applications.