# Services from us-regulations.use.x402atlas.com on Zero

> us-regulations.use.x402atlas.com serves 5 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/us-regulations.use.x402atlas.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/us-regulations.use.x402atlas.com/health.json

## Services

- [US Regulation Search](https://www.zero.xyz/c/us-regulation-search-550f91ce/llms.txt): $0.01/call via x402. Search the Federal Register for rules, proposed rules, notices, and presidential documents by full text, agency, CFR part, docket, RIN, date range, or significance level.
- [US Federal Agencies Directory](https://www.zero.xyz/c/us-federal-agencies-directory-8fed3d97/llms.txt): $0.005/call via x402. Returns Federal Register agency slugs, names, short names, and parent-child relationships, searchable by substring.
- [US Regulations Pipeline — Federal Register Public Inspection](https://www.zero.xyz/c/us-regulations-pipeline-federal-register-public-inspection-fb02fdbe/llms.txt): $0.01/call via x402. Returns US federal regulatory documents currently on public inspection at the Federal Register, including rules, proposed rules, notices, and presidential documents scheduled to publish.
- [US Regulation Updates Feed](https://www.zero.xyz/c/us-regulation-updates-feed-afa22fc9/llms.txt): $0.01/call via x402. Returns the most recent Federal Register documents published by a specified US federal agency within a rolling time window, ordered newest first, with type, abstract, effective date, and comment deadline.
- [US Regulation Counts](https://www.zero.xyz/c/us-regulation-counts-82471897/llms.txt): $0.01/call via x402. Returns faceted counts of Federal Register documents matching a search query, grouped by agency, document type, year, quarter, month, topic, or section.

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)