# Services from assay-systems.com on Zero

> assay-systems.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/assay-systems.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/assay-systems.com/health.json

## Services

- [Assay Systems — The Extract: Company Government Contracts Lookup](https://www.zero.xyz/c/assay-systems-the-extract-company-government-contracts-lookup-d0dd7cda/llms.txt): $0.01/call via x402. Returns a paginated list of public government contracts awarded to a specific company in a given country, computed from the public contract register.
- [Assay Systems — The Extract (Solo Endpoint)](https://www.zero.xyz/c/assay-systems-the-extract-solo-endpoint-d884ea91/llms.txt): $0.01/call via x402. Queries the public government contract register to return buyer-supplier relationship data, lock information, or buyer market shares for a given country or company.
- [Assay Systems — The Extract: Supplier Government Contracts (Ottawa)](https://www.zero.xyz/c/assay-systems-the-extract-supplier-government-contracts-ottawa-437bbe95/llms.txt): $0.01/call via x402. Returns a paginated list of public government contracts awarded to a specific supplier in a given country, drawn from the public contract register.
- [Assay Systems — The Extract (Ottawa Government Market)](https://www.zero.xyz/c/assay-systems-the-extract-ottawa-government-market-9d753aed/llms.txt): $0.01/call via x402. Returns a computed document summarizing a single company's presence in the Ottawa/Canadian public government contract register for a given industry sector.
- [Assay Systems — The Extract (Ottawa Government Market)](https://www.zero.xyz/c/assay-systems-the-extract-ottawa-government-market-0f312c55/llms.txt): $0.01/call via x402. Returns a structured document about one company's position in the Ottawa government contracting market, computed from the public contract register.

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)