Arcjet example: Express.js

Arcjet helps developers protect their apps in just a few lines of code. Bot detection. Rate limiting. Email validation. Attack protection. Data redaction. A developer-first approach to security.

This is an example Express.js application demonstrating how to protect a website from abuse.

Features

• Bot protection shows how the site can be protected from automated clients.
• Rate limiting shows a rate limit configuration that limits the number of requests from a single IP.
• Attack protection demonstrates Arcjet Shield, which detects suspicious behavior, such as SQL injection and cross-site scripting attacks.

Run locally

1. Register for a free Arcjet account.

2. Install dependencies:

npm ci

3. Rename .env.local.example to .env.local and add your Arcjet key.

4. Start the dev server

npm run start

5. Open http://localhost:3000 in your browser.

Need help?

Check out the docs, contact support, or join our Discord server.