# Services from x402-trading.useotto.xyz on Zero

> x402-trading.useotto.xyz serves 7 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-trading.useotto.xyz
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-trading.useotto.xyz/health.json

## Services

- [Hyperliquid Market Data API](https://www.zero.xyz/c/x402-trading-useotto-xyz-ca0cb006/llms.txt): $0.001000/call via x402. Returns live market data for a Hyperliquid perpetual asset including price, funding rate, open interest, and trading specifications
- [Hyperliquid Account Snapshot](https://www.zero.xyz/c/x402-trading-useotto-xyz-4d1120e7/llms.txt): $0.001000/call via x402. Returns a real-time snapshot of a Hyperliquid perpetual trading account including open positions, balances, and active orders for a given EVM wallet address
- [Otto Multi-Chain Portfolio Balances](https://www.zero.xyz/c/x402-trading-useotto-xyz-9a241d7d/llms.txt): $0.001000/call via x402. Returns token balances and yield positions across Safe accounts on multiple chains for a given EVM wallet address
- [x402-trading ERC-20 Token Search](https://www.zero.xyz/c/x402-trading-useotto-xyz-5a473831/llms.txt): $0.001000/call via x402. Search and look up supported ERC-20 tokens by symbol or contract address across 6 blockchain networks, returning token metadata from a CoinGecko-sourced dataset of 5000+ tokens.
- [Otto DeFi Yield Markets - Aave V3 & Morpho APY Feed](https://www.zero.xyz/c/x402-trading-useotto-xyz-ed261287/llms.txt): $0.001000/call via x402. Returns live yield farming APYs across Aave V3 and Morpho protocols on Base and Ethereum networks for stablecoin deposit comparison
- [Hyperliquid Perpetual Trading History](https://www.zero.xyz/c/x402-trading-useotto-xyz-c69fde89/llms.txt): $0.001000/call via x402. Retrieves historical trading activity for a Hyperliquid perpetual account, including fills, funding payments, and PnL, given a wallet address.
- [Otto AI Safe Account Transaction History](https://www.zero.xyz/c/x402-trading-useotto-xyz-80af7d14/llms.txt): $0.001/call via x402. Retrieves paginated trade and transaction history for a specified Safe (EVM) wallet address

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)