# Services from crystalbell.ccwu.cc:8443 on Zero

> crystalbell.ccwu.cc:8443 serves 8 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/crystalbell.ccwu.cc%3A8443
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/crystalbell.ccwu.cc%3A8443/health.json

## Services

- [x402 Web Probe – Fetch to Markdown (Hub Europe, Germany)](https://www.zero.xyz/c/x402-web-probe-fetch-to-markdown-hub-europe-germany-04294fc6/llms.txt): $0.003/call via x402. Fetches a public web page from a European vantage point and returns its content converted to Markdown, along with HTTP status and page title.
- [x402 Web Probe — Hub Europe (Germany)](https://www.zero.xyz/c/x402-web-probe-hub-europe-germany-6a7c7e3c/llms.txt): $0.001/call via x402. Checks website uptime, HTTP status, TLS certificate validity, and latency from a European (Germany) vantage point, returning structured JSON results, paid per-call via USDC on Base using x402.
- [x402 Web Probe – Domain Info (Hub Europe, Germany)](https://www.zero.xyz/c/x402-web-probe-domain-info-hub-europe-germany-da7df10d/llms.txt): $0.002/call via x402. Performs DNS, TLS certificate, and RDAP registration lookups for a given domain, measured from a European hub, paid per-call via x402/USDC on Base.
- [ENS Name Resolution (x402, Hub Europe Germany)](https://www.zero.xyz/c/ens-name-resolution-x402-hub-europe-germany-c0a56f52/llms.txt): $0.002/call via x402. Resolves an ENS (Ethereum Name Service) name to its Ethereum address, or performs reverse lookup from address to ENS name, via a pay-per-call endpoint requiring no API key.
- [ERC-20 Token Balance Lookup (Base/Ethereum) via x402](https://www.zero.xyz/c/erc-20-token-balance-lookup-base-ethereum-via-x402-69b81388/llms.txt): $0.002/call via x402. Returns the ERC-20 token balance of a given wallet address on Base or Ethereum, paid per-call with USDC via x402.
- [EVM Chain Balance Lookup (Hub Europe, Germany)](https://www.zero.xyz/c/evm-chain-balance-lookup-hub-europe-germany-2128e434/llms.txt): $0.002/call via x402. Returns the native ETH/EVM balance, nonce, and block information for a given wallet address on Base or Ethereum, paid per-call via x402 USDC.
- [x402 Web Probe – Blockchain Transaction Lookup (Hub Europe, Germany)](https://www.zero.xyz/c/x402-web-probe-blockchain-transaction-lookup-hub-europe-germany-87e4a9d6/llms.txt): $0.002/call via x402. Looks up on-chain transaction details (status, block, gas, value, confirmations) for a given transaction hash on Base or Ethereum, paid per-call via USDC on Base using x402.
- [x402 Web Probe – Hub Europe (Germany) Meta Endpoint](https://www.zero.xyz/c/x402-web-probe-hub-europe-germany-meta-endpoint-b9f8a2c7/llms.txt): $0.002/call via x402. Fetches and parses a public webpage from a European vantage point, returning structured metadata including title, headings, links, and Open Graph data

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)