# Services from defi.memoryapi.org on Zero

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

## Services

- [DeFi Yield & APY Pool Data](https://www.zero.xyz/c/defi-memoryapi-org-f5b8a1c0/llms.txt): $0.001/call via x402. Fetches and filters DeFi yield pool data across 19,000+ pools, filterable by chain, project, token symbol, or minimum APY.
- [DeFi Chains TVL API](https://www.zero.xyz/c/defi-memoryapi-org-65da7170/llms.txt): $0.001/call via x402. Returns all blockchain ecosystems ranked by Total Value Locked (TVL), or historical TVL data for a specific chain.
- [DeFi Protocol TVL Lookup](https://www.zero.xyz/c/defi-memoryapi-org-a9a031b5/llms.txt): $0.001/call via x402. Returns DeFi protocol Total Value Locked (TVL) data, supporting filtering by chain, minimum TVL, or fetching a single protocol by slug.

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)