# Services from polished-truth-c514.fhi-llc-1118.workers.dev on Zero

> polished-truth-c514.fhi-llc-1118.workers.dev serves 9 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/polished-truth-c514.fhi-llc-1118.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/polished-truth-c514.fhi-llc-1118.workers.dev/health.json

## Services

- [SEC Material Event Delta API](https://www.zero.xyz/c/sec-material-event-delta-api-6e07445b/llms.txt): $0.01/call via x402. Returns material SEC filing events (8-K and similar) for a given company since a specified date, enabling agents to detect significant corporate disclosures.
- [FHI CVE Priority Report API](https://www.zero.xyz/c/fhi-cve-priority-report-api-ce2718ae/llms.txt): $0.05/call via x402. Analyzes a list of CVEs and returns a prioritized vulnerability report with remediation urgency, factoring in asset exposure and patch SLA constraints.
- [FHI MCP Security Monitoring – Change Evidence](https://www.zero.xyz/c/fhi-mcp-security-monitoring-change-evidence-36135136/llms.txt): $0.003/call via x402. Detects and reports changes to a remote MCP endpoint's tools and capabilities, returning a risk score delta and change evidence with stateful tracking across calls.
- [FHI x402 Package Install Preflight Check](https://www.zero.xyz/c/fhi-x402-package-install-preflight-check-b951bbe3/llms.txt): $0.003/call via x402. Checks whether a package installation is safe or advisable before installing, returning preflight validation data for npm or PyPI packages.
- [FHI Public Contract Award Delta API](https://www.zero.xyz/c/fhi-public-contract-award-delta-api-a9bdf675/llms.txt): $0.05/call via x402. Returns newly awarded or changed federal government contracts since a specified date, filterable by NAICS code and awarding agency
- [FHI Domain Change Evidence API](https://www.zero.xyz/c/fhi-domain-change-evidence-api-933927a3/llms.txt): $0.01/call via x402. Retrieves evidence of historical ownership or configuration changes for a given domain name
- [FHI MCP Security Monitoring](https://www.zero.xyz/c/fhi-mcp-security-monitoring-1c970232/llms.txt): $0.1/call via x402. Monitors and audits remote MCP endpoints for security changes, cross-referencing SEC filings and domain signals to produce a vendor due-diligence verdict.
- [FHI MCP Security Monitoring](https://www.zero.xyz/c/fhi-mcp-security-monitoring-e3ad5843/llms.txt): $0.01/call via x402. Executes stateful agent tasks via a remote MCP endpoint, tracking change evidence for security monitoring purposes, payable per call with x402 Base USDC.
- [FHI MCP Security Monitoring](https://www.zero.xyz/c/fhi-mcp-security-monitoring-b2a0e274/llms.txt): $0.005/call via x402. Provides stateful security monitoring for remote MCP (Model Context Protocol) endpoints, tracking and evidencing changes via a chat-completion-style API with per-call micropayments.

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)