# Services from pyd.fi on Zero

> pyd.fi serves 4 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/pyd.fi
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pyd.fi/health.json

## Services

- [ProYield Vault State API](https://www.zero.xyz/c/proyield-vault-state-api-7de2a4a5/llms.txt): $0.01/call via x402. Returns live ProYield vault metrics on HyperEVM — share price, total assets, TVL/per-user caps, deposit status, and optionally a specific wallet's position value and USDC balance.
- [ProYield Yield API](https://www.zero.xyz/c/proyield-yield-api-6f94a987/llms.txt): $0.01/call via x402. Returns live DeFi stablecoin lending rates with safety tiers, vault blend targets, fixed-pool and satellite sleeve rates, and full provenance metadata for risk-adjusted USDC yield decisions.
- [ProYield Historical Yield Series API](https://www.zero.xyz/c/proyield-historical-yield-series-api-6f06cdc8/llms.txt): $0.01/call via x402. Returns a time series of daily share price and basis-point growth for the ProYield stablecoin yield vault, sourced from Aave, Sky, and Morpho lending protocols.
- [ProYield All-in-One Yield & Vault API](https://www.zero.xyz/c/proyield-all-in-one-yield-vault-api-72633560/llms.txt): $0.01/call via x402. Returns live stablecoin lending venue rates with safety tiers, ProYield vault state on HyperEVM (share price, total assets, caps), and optionally a wallet's position — all in a single call.

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)