CEO of Arcjet (helping developers protect their apps). Co-Founder of Console (the best tools for developers). Researching sustainable computing at the University of Oxford.
The Arcjet Python SDK allows you to implement rate limiting, bot detection, email validation, and signup spam prevention in FastAPI and Flask style applications.
The tech stack behind Arcjet: WebAssembly runtimes, a Go gRPC decision API, and region-aware SNS→SQS→ClickHouse pipeline.
How Arcjet detects the real client IP in Firebase deployments, bypassing X-Forwarded-For issues by utilizing a custom Firebase header.
I recently joined James Governor at RedMonk to talk about why security tooling still feels years behind the rest of the developer ecosystem and
Announcing Arcjet’s local AI security model, an opt-in AI security layer that runs expert security analysis for every request entirely in your environment, alongside our Series A funding.
Arcjet filters let you block requests using expressions over HTTP headers, IP addresses, and other request fields.
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