# Services from xub.me on Zero

> xub.me 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/xub.me
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/xub.me/health.json

## Services

- [XUB Domain Boundary Parser](https://www.zero.xyz/c/xub-domain-boundary-parser-9e181761/llms.txt): $0.001/call via x402. Parses hostnames to extract domain components including public suffix, registrable domain, subdomain, and IP/ICANN/private classification.
- [xub x402 Market Intelligence Search](https://www.zero.xyz/c/xub-x402-market-intelligence-search-128cd26f/llms.txt): $0.005/call via x402. Searches and monitors the x402 paid-API marketplace to discover HTTP and MCP endpoints, their pricing, and recent changes.
- [XUB Agent Market Intelligence – x402 Procurement](https://www.zero.xyz/c/xub-agent-market-intelligence-x402-procurement-368562a1/llms.txt): $0.01/call via x402. Searches and filters the x402 paid-API marketplace to discover available services matching a query, asset, network, and quality criteria.
- [JSON Canonicalize](https://www.zero.xyz/c/json-canonicalize-8897a816/llms.txt): $0.001/call via x402. Canonicalizes a JSON object by sorting keys deterministically (RFC 8785 / JCS style), returning a stable, normalized JSON structure.
- [xub Text Fingerprint](https://www.zero.xyz/c/xub-text-fingerprint-0cd2ce0a/llms.txt): $0.001/call via x402. Generates a stylometric or content fingerprint for a given text input, returning a unique signature that characterizes the text.

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)