# Services from pii-guardrail.chronokey.workers.dev on Zero

> pii-guardrail.chronokey.workers.dev serves 6 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/pii-guardrail.chronokey.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pii-guardrail.chronokey.workers.dev/health.json

## Services

- [Sentinel402 PII & Secret Guardrail Scanner](https://www.zero.xyz/c/sentinel402-pii-secret-guardrail-scanner-30ab2d76/llms.txt): $0.02/call via x402. Scans outbound text or JSON payloads for PII and leaked secrets using 34 configurable rules, returning risk scores, findings, and optionally redacted or blocked output
- [Sentinel402 PII & Secrets Compliance Audit](https://www.zero.xyz/c/sentinel402-pii-secrets-compliance-audit-7afafd85/llms.txt): $0.03/call via x402. Scans text or JSON payloads for PII and secrets against PCI-DSS, GDPR, HIPAA, and secrets hygiene frameworks, returning a risk score, per-framework verdicts, and a redacted sanitized copy.
- [Sentinel402 Live Data Collection Retrieval](https://www.zero.xyz/c/sentinel402-live-data-collection-retrieval-1f72197a/llms.txt): $0.003/call via x402. Fetches live, citable data from a named collection (crypto prices, weather, GitHub repos, sports scores, FX rates, news, Wikipedia, and more) via a paid x402 micro-payment gateway
- [Sentinel402 PII & Secret Batch Scanner](https://www.zero.xyz/c/sentinel402-pii-secret-batch-scanner-628ce21c/llms.txt): $0.05/call via x402. Scans up to 20 text or JSON payloads in a single call for PII and secrets, returning risk scores, findings, and optionally redacted copies — paid via x402.
- [Sentinel402 Prompt Scanner](https://www.zero.xyz/c/sentinel402-prompt-scanner-88b20458/llms.txt): $0.01/call via x402. Scans untrusted text or JSON payloads for prompt injection attacks, PII, and secret leakage, returning a risk score and block/allow decision
- [Sentinel402 RCP/1 Retrieval Server](https://www.zero.xyz/c/sentinel402-rcp-1-retrieval-server-a757c695/llms.txt): $0.003/call via x402. Retrieves live, citable data (crypto prices, weather, GitHub activity, sports scores, FX rates, Hacker News, Wikipedia, stocks, news, geolocation, npm/pypi packages, ENS names) via sparse-mode RCP/1 protocol, paid per-call over x402.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)