# Services from x402.srch.best on Zero

> x402.srch.best serves 19 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/x402.srch.best
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.srch.best/health.json

## Services

- [srch.best Live Web Search](https://www.zero.xyz/c/srch-best-live-web-search-2ba4dac6/llms.txt): $0.0035/call via x402. Performs live web searches returning up to 100 normalized results, with configurable depth, category filtering, domain inclusion/exclusion, and date range controls
- [srch.best Fiscal Data API](https://www.zero.xyz/c/srch-best-fiscal-data-api-4b609051/llms.txt): $0.001/call via x402. Retrieves structured US fiscal data (federal debt and interest rates) by security type and date range, paid per request via x402
- [srch.best Regulatory Data](https://www.zero.xyz/c/srch-best-regulatory-data-be337a5b/llms.txt): $0.001/call via x402. Returns structured FDA regulatory data including drug recalls, food recalls, device recalls, drug labels, and adverse events based on a search query
- [srch.best Spending Data](https://www.zero.xyz/c/srch-best-spending-data-2d6bbfbd/llms.txt): $0.001/call via x402. Search and retrieve structured U.S. government spending records (contracts, grants, loans, direct payments) by keyword, agency, recipient, amount range, and date range.
- [srch.best Alerts API](https://www.zero.xyz/c/srch-best-alerts-api-a5286996/llms.txt): $0.001/call via x402. Returns structured earthquake and weather alert data for a given location or area, paid per request via x402
- [srch.best Answer](https://www.zero.xyz/c/srch-best-answer-45f94fd5/llms.txt): $0.005/call via x402. Returns a structured, direct answer to a natural language question by searching and synthesizing web content
- [srch.best Economy Data](https://www.zero.xyz/c/srch-best-economy-data-5c83eb6d/llms.txt): $0.001/call via x402. Returns structured US economy time-series data (unemployment, consumer prices, payroll employment, hourly earnings) for a specified year range
- [srch.best Vulnerabilities Search](https://www.zero.xyz/c/srch-best-vulnerabilities-search-cfe36bd6/llms.txt): $0.001/call via x402. Search and retrieve structured CVE vulnerability data by CVE ID, keyword query, or severity level, paid per request via x402.
- [srch.best Company Data](https://www.zero.xyz/c/srch-best-company-data-58a429f6/llms.txt): $0.0015/call via x402. Returns structured SEC company data including filings and financial facts for a given ticker or CIK, paid per request via x402
- [srch.best Complaints Search](https://www.zero.xyz/c/srch-best-complaints-search-1f285a80/llms.txt): $0.001/call via x402. Search and retrieve structured consumer complaint records filtered by company, product, state, date range, and keyword query
- [srch.best Nutrition Data API](https://www.zero.xyz/c/srch-best-nutrition-data-api-b4a7f901/llms.txt): $0.001/call via x402. Returns structured nutrition data for foods by querying USDA food databases, including Foundation, SR Legacy, Survey (FNDDS), and Branded food types
- [srch.best Water Data API](https://www.zero.xyz/c/srch-best-water-data-api-b9c1bcc0/llms.txt): $0.001/call via x402. Returns structured USGS water monitoring data (streamflow, gage height, temperature, etc.) for specified station IDs via pay-per-request x402 protocol
- [srch.best Disasters Data API](https://www.zero.xyz/c/srch-best-disasters-data-api-243bafb1/llms.txt): $0.001/call via x402. Returns structured FEMA/government disaster incident records filtered by state, date range, and incident type, paginated via cursor
- [srch.best Government Data Search](https://www.zero.xyz/c/srch-best-government-data-search-f41bf122/llms.txt): $0.001/call via x402. Searches and retrieves structured U.S. government documents (rules, proposed rules, notices, and presidential documents) with pagination and date filtering
- [srch.best Research Search](https://www.zero.xyz/c/srch-best-research-search-a1138c94/llms.txt): $0.001/call via x402. Returns structured academic and research paper data for a given query, with optional filters for year range, result count, and open-access status, paid per request via x402.
- [srch.best Knowledge Search](https://www.zero.xyz/c/srch-best-knowledge-search-4db734d9/llms.txt): $0.001/call via x402. Returns structured knowledge data (encyclopedia-style facts and entities) for a given query, billed per request via x402 micropayment
- [srch.best Indicators](https://www.zero.xyz/c/srch-best-indicators-d57250da/llms.txt): $0.001/call via x402. Returns structured economic and development indicators data for specified countries and year ranges, paid per request via x402
- [srch.best Vehicle Safety Data](https://www.zero.xyz/c/srch-best-vehicle-safety-data-224073ec/llms.txt): $0.001/call via x402. Returns structured NHTSA-style vehicle safety records — recalls, complaints, ratings, and investigations — for a given make, model, and year
- [srch.best Domain Data Lookup](https://www.zero.xyz/c/srch-best-domain-data-lookup-362340e1/llms.txt): $0.001/call via x402. Returns structured domain data for a given hostname, paid per-request via x402 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)