# Services from cortexassay.com on Zero

> cortexassay.com serves 6 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/cortexassay.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cortexassay.com/health.json

## Services

- [CortexAssay Technology Momentum](https://www.zero.xyz/c/cortexassay-technology-momentum-6301b2f3/llms.txt): $0.05/call via x402. Computes a momentum score and trend analysis for a given technology topic using academic publication and citation growth data from OpenAlex.
- [CortexAssay SEC Company Intelligence](https://www.zero.xyz/c/cortexassay-sec-company-intelligence-34337cbc/llms.txt): $0.02/call via x402. Retrieves computed SEC intelligence for a public company by ticker or CIK, including recent filings, insider transactions, financial facts, and key events
- [CortexAssay Federal Register Rules Search](https://www.zero.xyz/c/cortexassay-federal-register-rules-search-10052add/llms.txt): $0.005/call via x402. Searches and retrieves recent U.S. federal regulatory rules and proposed rules from the Federal Register, filtered by keyword, agency, date range, and significance.
- [CortexAssay Funding Signals](https://www.zero.xyz/c/cortexassay-funding-signals-9e610c4e/llms.txt): $0.02/call via x402. Returns aggregated US federal funding signals (USAspending + NIH grants) for a technology keyword, including year-by-year obligations, growth rates, and top recipients.
- [CortexAssay SEC Events](https://www.zero.xyz/c/cortexassay-sec-events-937d9a0d/llms.txt): $0.005/call via x402. Returns scored, rule-tagged SEC filing events (8-K, Form 4, etc.) for companies, filtered by ticker, CIK, form type, date range, and signal flags
- [CortexAssay Emerging Technology Topics](https://www.zero.xyz/c/cortexassay-emerging-technology-topics-237783bb/llms.txt): $0.05/call via x402. Returns a ranked list of scientifically emerging technology topics with growth metrics, momentum statistics, and acceleration data computed from open academic literature.

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)