# Services from api.block402.xyz on Zero

> api.block402.xyz serves 2 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.block402.xyz
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.block402.xyz/health.json

## Services

- [Block402 Ethereum JSON-RPC API](https://www.zero.xyz/c/block402-ethereum-json-rpc-api-8c86c784/llms.txt): $0.0025/call via x402. Query Ethereum blockchain data via standard JSON-RPC methods through a pay-per-request API designed for AI agents
- [Block402 Bitcoin RPC API](https://www.zero.xyz/c/block402-bitcoin-rpc-api-018a01c1/llms.txt): $0.0025/call via x402. Query Bitcoin blockchain data via JSON-RPC methods including block counts, hashes, headers, transactions, and unspent outputs

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)