Show HN: Senthex AI firewall for LLM API calls (one line of code, 16ms overhead)

Category: security

Tags: ai-security, llm-proxy, prompt-injection, pii-detection, api-gateway

Score: 7.7/10 (Innovation: 7, Technical: 8, Documentation: 6, Utility: 8)

Senthex is an AI firewall proxy that provides heuristic-based security for LLM API calls, offering 24 protection shields including prompt injection detection, PII redaction, budget tracking, and canary tokens. It's interesting because it combines multiple security layers with minimal latency (16ms overhead) and supports multiple LLM providers through a unified interface.

Target audience: backend devs, devops, ai engineers

Repository: https://senthex.com:443/proxy/

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