PromptShield
Serverless edge API detecting prompt injection, jailbreaks, and PII leakage in LLM apps
✓ Zero Dependencies
âš¡ Sub-15ms Injection Guard
Freemium
$0 / $19/mo Pro
Solopreneur Technical Breakdown
Ultra-fast serverless edge API providing comprehensive prompt injection detection, LLM jailbreak prevention (DAN mode, instruction overrides), and PII auto-redaction (SSNs, Credit Cards, API Keys, Private Keys) in under 15ms.
Key Strengths
- ✓ Sub-15ms edge latency with zero cold starts
- ✓ Auto-redacts API keys, credit cards, and SSNs before reaching OpenAI/Anthropic
- ✓ Instant drop-in npm package 'promptshield-client'
Operational Constraints
- ✗ Focused on prompt sanitization and safety guardrails
Architecture & Features
- • Direct & hidden comment injection detection
- • DAN and persona jailbreak prevention
- • PII masking ([REDACTED_API_KEY], [REDACTED_SSN])
- • Client SDK for JavaScript & TypeScript
Target Persona & Scalability
AI application developers, chatbot creators, and RAG pipeline architects protecting user data and prompt integrity.