The Complete Guide to Building a Cloudflare Workers OpenAI Proxy: From Beginner to Hero
Using OpenAI APIs in frontend code is risky — exposing your API key is a security hazard. The solution is a Cloudflare Worker that acts as a secure proxy. Your frontend calls the worker; the worker calls OpenAI with your key. The key stays secret. This guide is beginner-friendly, ELI5 style, and gradually moves to advanced techniques like streaming, caching, and rate-limiting. Beginner: Why You Need a Proxy Imagine you have a magic key that unlocks a powerful AI genie. If you give that key to everyone, anyone can spend your genie’s wishes. That’s what happens if you put your API key in frontend code. ...