# Services from api.x402-engine.com on Zero

> api.x402-engine.com serves 4 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/api.x402-engine.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.x402-engine.com/health.json

## Services

- [Vendor & Company Evidence Brief](https://www.zero.xyz/c/vendor-company-evidence-brief-74988a33/llms.txt): $0.1/call via x402. Performs decision-ready public-evidence due diligence on a company, vendor, or counterparty, returning cited findings, material risks, conflicting claims, and a hash-bound delivery receipt.
- [Protocol & Technology Risk Brief](https://www.zero.xyz/c/protocol-technology-risk-brief-cfa6a4bb/llms.txt): $0.1/call via x402. Generates a decision-ready, cited evidence assessment of a protocol, platform, dependency, or technology covering capabilities, limitations, unresolved risks, and conflicting claims.
- [Regulatory Change Impact Brief](https://www.zero.xyz/c/regulatory-change-impact-brief-f75e2fd4/llms.txt): $0.1/call via x402. Monitors regulatory and policy changes for a specified jurisdiction, topic, and industry, returning cited changes, effective dates, source conflicts, and a hash-bound delivery receipt.
- [x402-engine Intelligence Job Submission](https://www.zero.xyz/c/x402-engine-intelligence-job-submission-493a4f57/llms.txt): $0.1/call via x402. Submits an automated, evidence-backed intelligence analysis job and returns structured findings

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)