Web3 Data Explorer (Chainbase)

Query on-chain data via the Chainbase CLI.

Quick Reference

Install: npm install -g chainbase-cli (or use npx chainbase-cli)

Auth: Set API key via chainbase config set api-key YOUR_KEY, or env CHAINBASE_API_KEY. Falls back to demo key. If rate-limited, direct user to https://platform.chainbase.com to get a key.

x402 Payment: Supports pay-per-call micropayments via --x402 flag. Setup: chainbase config set private-key 0x...

# Top token holders
chainbase token top-holders 0xdAC17F958D2ee523a2206206994597C13D831ec7 --chain 1 --limit 10

# Token price
chainbase token price 0xdAC17F958D2ee523a2206206994597C13D831ec7

# ENS resolve
chainbase domain ens-resolve vitalik.eth

# SQL query
chainbase sql execute "SELECT * FROM ethereum.blocks ORDER BY number DESC LIMIT 5"

Use --json for machine-parseable output. Use --chain <id> to target a specific chain.

Chain IDs

| Chain | ID | Chain | ID | |---|---|---|---| | Ethereum | 1 | Optimism | 10 | | BSC | 56 | Base | 8453 | | Polygon | 137 | zkSync | 324 | | Avalanche | 43114 | Arbitrum | 42161 |

Default to Ethereum (chain 1) unless user specifies otherwise.

Routing Logic

Match user intent to the right CLI command:

| User wants | CLI command | |---|---| | Latest block number | chainbase block latest | | Block details | chainbase block detail <number> | | Transaction detail | chainbase tx detail <hash> | | Wallet transaction history | chainbase tx list <address> | | Token info (name, symbol, supply) | chainbase token metadata <contract> | | Token price | chainbase token price <contract> | | Historical token price | chainbase token price-history <contract> --from <ts> --to <ts> | | List of holder addresses | chainbase token holders <contract> | | Top token holders / who holds a token | chainbase token top-holders <contract> | | Token transfer history | chainbase token transfers --contract <addr> | | Native token balance (ETH/BNB) | chainbase balance native <address> | | ERC20 token balances of wallet | chainbase balance tokens <address> | | DeFi portfolio positions | chainbase balance portfolios <address> | | ENS domains held by address | chainbase domain ens <address> | | ENS name → address | chainbase domain ens-resolve <name> | | Address → ENS name | chainbase domain ens-reverse <address> | | Space ID resolve (BSC) | chainbase domain spaceid-resolve <domain> | | Space ID reverse (BSC) | chainbase domain spaceid-reverse <address> | | Call smart contract function | chainbase contract call --address <contract> --function "fn" --abi '[...]' --params '[...]' | | Anything not covered above | SQL API: chainbase sql execute "SELECT ..." |

Workflow

1. Identify intent — Determine what data the user needs
2. Resolve identifiers — If user gives token name (e.g. "USDT"), look up the contract address. Common tokens:
   • USDT: 0xdAC17F958D2ee523a2206206994597C13D831ec7 (ETH)
   • USDC: 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 (ETH)
   • WETH: 0xC02aaA39b223FE8D0A0e5c4F27eAD9083C756Cc2 (ETH)
   • DAI: 0x6B175474E89094C44Da98b954EedeAC495271d0F (ETH)
   • WBTC: 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599 (ETH)
   • If unknown, use chainbase token metadata <contract> or ask the user for the contract address
3. Select command — Use the routing table above; fall back to SQL API for complex/custom queries
4. Execute — Run the CLI command. Add --json when you need to parse the output programmatically
5. Present results — Format data clearly with tables for lists, highlight key insights

Global Options

All commands support these options:

| Option | Description | Default | |---|---|---| | --chain <id> | Target chain | 1 (Ethereum) | | --json | Machine-parseable JSON output | false | | --page <n> | Page number for paginated results | 1 | | --limit <n> | Results per page | 20 | | --x402 | Enable x402 micropayment mode | false |

SQL API Fallback

When CLI commands don't cover the query, translate user intent to SQL:

chainbase sql execute "SELECT from_address, SUM(value) as total FROM ethereum.token_transfers WHERE contract_address = '0x...' GROUP BY from_address ORDER BY total DESC LIMIT 20"

Common table patterns (replace ethereum with chain name):

• {chain}.blocks — Block data
• {chain}.transactions — Transactions
• {chain}.token_transfers — ERC20 transfers
• {chain}.token_metas — Token metadata
• {chain}.logs — Event logs

SQL constraints: max 100,000 results per query.

For full command help, run chainbase --help or chainbase <command> --help.