# Services from barriere.halowerk.com on Zero

> barriere.halowerk.com serves 3 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/barriere.halowerk.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/barriere.halowerk.com/health.json

## Services

- [Barriere Access Keys Audit](https://www.zero.xyz/c/barriere-access-keys-audit-af0c171f/llms.txt): $0.001/call via x402. Passively audits a public URL or domain for conflicting access keys, returning observations, thresholds, verdicts, evidence sources, limitations, and recommended actions.
- [Barriere Abbreviation Expansion Repair Plan](https://www.zero.xyz/c/barriere-abbreviation-expansion-repair-plan-7ab83cb3/llms.txt): $0.001/call via x402. Passively fetches public evidence from a target URL and evaluates whether abbreviations are properly expanded, returning a verdict, evidence source, limitations, and a repair action plan.
- [Barriere Abbreviations Audit](https://www.zero.xyz/c/barriere-abbreviations-audit-2c883b6a/llms.txt): $0.001/call via x402. Passively fetches public evidence from a target URL and audits how well abbreviations are documented or expanded on that page, returning observations, thresholds, verdicts, evidence sources, and recommended actions.

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)