# Services from lex.chainverdict.xyz on Zero

> lex.chainverdict.xyz 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/lex.chainverdict.xyz
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/lex.chainverdict.xyz/health.json

## Services

- [LexRails ECLI Legal Citation Validator](https://www.zero.xyz/c/lexrails-ecli-legal-citation-validator-2ba87bbc/llms.txt): $0.009/call via x402. Deterministically validates whether a given ECLI (European Case Law Identifier) legal citation is real and not fabricated
- [LexRails Legal Citation Checker](https://www.zero.xyz/c/lexrails-legal-citation-checker-1b3a531f/llms.txt): $0.008/call via x402. Deterministically checks whether a legal citation is real or fabricated, returning a boolean validity result with attestation
- [LexRails CFR Citation Validator](https://www.zero.xyz/c/lexrails-cfr-citation-validator-cc6bba2e/llms.txt): $0.009/call via x402. Validates whether a given Code of Federal Regulations (CFR) title citation is real and correctly formed, returning a deterministic true/false verdict
- [LexRails U.S. Code Citation Validator](https://www.zero.xyz/c/lexrails-u-s-code-citation-validator-99b57d7a/llms.txt): $0.009/call via x402. Validates whether a given U.S. Code citation (title and optional section) is real and properly formed, returning a boolean result with an attestation object.
- [LexRails Legal Citation Extraction & Fabrication Check](https://www.zero.xyz/c/lexrails-legal-citation-extraction-fabrication-check-d05b412b/llms.txt): $0.028/call via x402. Extracts legal citations from text and checks them for fabrication/hallucination using deterministic verification

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)