# Services from x402.nexusword.it on Zero

> x402.nexusword.it 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/x402.nexusword.it
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.nexusword.it/health.json

## Services

- [NEXUS Text QA Validator](https://www.zero.xyz/c/nexus-text-qa-validator-143d7c93/llms.txt): $0.02/call via x402. Checks a text string for quality issues such as duplicate spaces and returns a deterministic pass/fail assessment with a list of detected problems
- [NEXUS Agent Utilities – Clean Lines](https://www.zero.xyz/c/nexus-agent-utilities-clean-lines-546d9e40/llms.txt): $0.01/call via x402. Splits a text string into its individual non-empty lines, returning a deduplicated or cleaned line array with a count
- [NEXUS Agent Utilities – Extract JSON](https://www.zero.xyz/c/nexus-agent-utilities-extract-json-910f9d42/llms.txt): $0.02/call via x402. Extracts structured JSON data from unstructured or semi-structured text input, returning a parsed JSON object
- [NEXUS Agent Utilities – Normalize JSON](https://www.zero.xyz/c/nexus-agent-utilities-normalize-json-c438e319/llms.txt): $0.01/call via x402. Deterministically normalizes and canonicalizes a JSON data structure into a consistent, clean format
- [NEXUS Agent Utilities – Ping](https://www.zero.xyz/c/nexus-agent-utilities-ping-c5037c78/llms.txt): $0.01/call via x402. Returns a simple liveness/health check response ({ok: true}) for autonomous agents, paid via x402 micro-payment

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)