# Services from x402.hydratrader.ai on Zero

> x402.hydratrader.ai serves 3 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.hydratrader.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.hydratrader.ai/health.json

## Services

- [HydraTrader Structured Extract](https://www.zero.xyz/c/hydratrader-structured-extract-6acc09d8/llms.txt): $0.03/call via x402. Extracts JSON matching a caller-supplied schema from pasted text or a public URL, returning structured data with confidence score and warnings.
- [HydraTrader Research Brief](https://www.zero.xyz/c/hydratrader-research-brief-d95eeede/llms.txt): $0.08/call via x402. Generates a cited research brief with key points, summary, confidence score, and caveats by searching the public web for a given question.
- [HydraTrader Cheap Errand – Text NLP Tasks](https://www.zero.xyz/c/hydratrader-cheap-errand-text-nlp-tasks-c05baf1f/llms.txt): $0.01/call via x402. Performs one of six NLP tasks (summarize, rewrite, classify, extract keywords, sentiment, or translate) on buyer-supplied text for $0.01 USDC per call via x402 micropayment.

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)