# Services from chainsscope.duckdns.org on Zero

> chainsscope.duckdns.org serves 9 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/chainsscope.duckdns.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/chainsscope.duckdns.org/health.json

## Services

- [ChainScope Wallet Scan](https://www.zero.xyz/c/chainscope-wallet-scan-87290dfd/llms.txt): $0.04/call via x402. Performs a full multi-chain wallet scan returning balances, token holdings, recent transaction activity, total USD value, and sanctions flagging for a given address on Ethereum, Base, Bitcoin, or Solana.
- [ChainScope Address Activity](https://www.zero.xyz/c/chainscope-address-activity-995a85b8/llms.txt): $0.015/call via x402. Retrieves recent transaction activity for a wallet address on Ethereum, Base, Bitcoin, or Solana, returning a list of transactions with value, direction, counterparty, and timestamp.
- [ChainScope Transaction Lookup](https://www.zero.xyz/c/chainscope-transaction-lookup-076983ba/llms.txt): $0.01/call via x402. Looks up detailed information for a specific blockchain transaction by hash across Ethereum, Base, Bitcoin, and Solana.
- [ChainScope ENS Resolve](https://www.zero.xyz/c/chainscope-ens-resolve-651befcd/llms.txt): $0.01/call via x402. Resolves an ENS (Ethereum Name Service) domain name to its corresponding Ethereum wallet address
- [ChainScope Token Holdings](https://www.zero.xyz/c/chainscope-token-holdings-183ce4ec/llms.txt): $0.01/call via x402. Retrieves token holdings and balances for a wallet address on Ethereum, Base, Bitcoin, or Solana, with USD valuations per token.
- [ChainScope Batch Wallet Balance](https://www.zero.xyz/c/chainscope-batch-wallet-balance-2d67650d/llms.txt): $0.02/call via x402. Fetches native token balances and USD values for multiple wallet addresses across Ethereum, Base, Bitcoin, and Solana in a single batch request
- [ChainScope Contract Inspect](https://www.zero.xyz/c/chainscope-contract-inspect-ba1bcfa4/llms.txt): $0.01/call via x402. Inspects a blockchain address to determine if it is a smart contract, returning token metadata such as name, symbol, decimals, and chain.
- [ChainScope Fee Estimator](https://www.zero.xyz/c/chainscope-fee-estimator-45dcb637/llms.txt): $0.01/call via x402. Estimates current transaction fees (gas prices) for a specified blockchain network, returning fast, standard, and slow fee tiers in the appropriate unit.
- [ChainScope Wallet Balance](https://www.zero.xyz/c/chainscope-wallet-balance-8faf4978/llms.txt): $0.01/call via x402. Retrieves the native token balance for a wallet address on Ethereum, Base, Bitcoin, or Solana via a single unified interface

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)
