# Services from api.zatena.com on Zero

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

## Services

- [Zatena Smart Money Flow Signals](https://www.zero.xyz/c/zatena-smart-money-flow-signals-1b309445/llms.txt): $0.01/call via x402. Returns recent smart-money buying and selling flow aggregated per prediction market, including net position size per market condition.
- [Zatena Smart Money Whale Tracker](https://www.zero.xyz/c/zatena-smart-money-whale-tracker-37ab682b/llms.txt): $0.01/call via x402. Returns the top smart-money crypto wallets ranked by a composite score of realized P&L, win rate, and activity, along with their current on-chain positions
- [Zatena Polymarket Markets Catalog](https://www.zero.xyz/c/zatena-polymarket-markets-catalog-16558d3c/llms.txt): $0.001/call via x402. Returns a normalized catalog of Polymarket prediction markets with titles, implied probabilities, token IDs, liquidity, and condition IDs

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)