Prompt Shield
Prompt Shield protects LLM applications from prompt injection, jailbreak attempts, and PII leakage. Built on Cloudflare Workers for sub-50ms latency globally. Detects 24 injection patterns, 12 jailbreak signatures, and 6 PII categories with severity scoring. No setup required - just POST your text and receive a structured threat report. Free tier with no API key required.
Prompt Shield endpoints
| Method | Endpoint | Description |
|---|---|---|
| api | ||
| POST |
api_v1_scan_post /api/v1/scan |
|
| health | ||
| GET |
healthCheck /health |
|
Prompt Shield pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|