Nenya – A lightweight, highly secure AI API Gateway/Proxy written in Go

Nenya is a lightweight, high-performance API gateway built in Go that sits between users and AI model providers, enforcing strict security policies like rate limiting, token validation, and prompt injection detection. It is designed for developers and security teams who need to safely expose AI endpoints in production without the overhead of full-scale enterprise gateways. Its interest lies in combining Go’s efficiency with a security-first architecture tailored specifically for the unique threats of AI API usage.