Injexzero AI is a plug-and-play API that protects your LLM applications from prompt injection attacks and PII leakage. Drop in one API call — two AI models analyze every prompt using ensemble voting and return a risk score in under 100ms. It also detects and masks 40+ PII types (names, emails, credit cards, SSN, and more) using a LangGraph-powered AI agent. Built for developers. Free tier included. No credit card needed.