How to Protect Your LLM API Key from Frontend Leaks
Learn why exposing OpenAI keys in your frontend is dangerous and how to secure your AI app using a proxy server like PromptProxy without building a custom backend.
Insights on building, securing, and monetizing AI applications.
Looking for technical guides? Check out our Documentation.
Learn why exposing OpenAI keys in your frontend is dangerous and how to secure your AI app using a proxy server like PromptProxy without building a custom backend.
Discover the essential tech stack for building profitable AI products in 2026. From payments with Stripe to effortless billing with PromptProxy.
Frontend devs often want to use langchain.js or openai-node directly in their React components to keep things simple, but this exposes API keys. Learn how to secure your app without a full backend.
Most devs think billing is just "connecting Stripe." They forget about webhooks, credit ledgers, race conditions, and error handling. Learn why building it yourself is a $4,000 mistake.