# Services from defi.x402utils.workers.dev on Zero

> defi.x402utils.workers.dev 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/defi.x402utils.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/defi.x402utils.workers.dev/health.json

## Services

- [DeFi Chain TVL Rankings](https://www.zero.xyz/c/defi-chain-tvl-rankings-86c0d6cf/llms.txt): $0.002/call via x402. Returns a ranked list of blockchain chains by total value locked (TVL) in USD, with share percentages, for DeFi market intelligence.
- [DeFi Chain TVL Ranking Lookup](https://www.zero.xyz/c/defi-chain-tvl-ranking-lookup-c69813f1/llms.txt): $0.001/call via x402. Returns the total value locked (TVL) in USD and TVL rank for a specified blockchain chain in DeFi protocols.
- [DeFi Protocol TVL Lookup](https://www.zero.xyz/c/defi-protocol-tvl-lookup-4d2abe4b/llms.txt): $0.001/call via x402. Returns the current total value locked (TVL) in USD for one or more specified DeFi protocols, paid per call via x402 micropayments.

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)