# Services from 138-197-15-135.sslip.io on Zero

> 138-197-15-135.sslip.io serves 5 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/138-197-15-135.sslip.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/138-197-15-135.sslip.io/health.json

## Services

- [Hearth Markdown](https://www.zero.xyz/c/hearth-markdown-42393c8e/llms.txt): $0.0085/call via x402. Fetches a public web page and converts it to clean, readable Markdown text optimized for AI agent consumption
- [Hearth EVM Block Info](https://www.zero.xyz/c/hearth-evm-block-info-256d0f10/llms.txt): $0.0009/call via x402. Fetches on-chain block metadata (hash, timestamp, gas, tx count) for a given EVM chain and block number.
- [Hearth Markdown – Base Transaction Status](https://www.zero.xyz/c/hearth-markdown-base-transaction-status-6dcf8f14/llms.txt): $0.004/call via x402. Looks up the on-chain status and details of a blockchain transaction by hash on Base (or other EVM chains).
- [ERC-20 Token Balance Lookup](https://www.zero.xyz/c/erc-20-token-balance-lookup-373f04fa/llms.txt): $0.0025/call via x402. Returns the ERC-20 token balance for a given wallet address on a specified EVM chain (Base, Ethereum, Arbitrum, Optimism), defaulting to USDC on Base.
- [Hearth Markdown - Wallet Balance Lookup](https://www.zero.xyz/c/hearth-markdown-wallet-balance-lookup-f4eff18a/llms.txt): $0.0025/call via x402. Looks up the ETH balance, nonce, and contract status of a blockchain wallet address on Base, Ethereum, Arbitrum, or Optimism.

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)