# Services from base.kagurazaka.dev on Zero

> base.kagurazaka.dev 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/base.kagurazaka.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/base.kagurazaka.dev/health.json

## Services

- [x402 Base Tools – Payment Settlement Checker](https://www.zero.xyz/c/x402-base-tools-payment-settlement-checker-9c61cb47/llms.txt): $0.001/call via x402. Checks whether a Base transaction hash settled x402 payments (USDC transferWithAuthorization / EIP-3009), returning payer, payTo address, amount, nonce, facilitator, and seller metadata.
- [x402 Base Tools – ETH & ERC-20 Balance Lookup](https://www.zero.xyz/c/x402-base-tools-eth-erc-20-balance-lookup-1d7944ad/llms.txt): $0.001/call via x402. Returns ETH and ERC-20 token balances for a Base address, with USD values for ETH, stablecoins, and up to five held tokens priced from on-chain pools.
- [x402 Base Tools – ERC-20 Token Info](https://www.zero.xyz/c/x402-base-tools-erc-20-token-info-4f018372/llms.txt): $0.001/call via x402. Returns the name, symbol, decimals, total supply, and Basescan link for any ERC-20 token on Base, identified by contract address or well-known symbol.
- [x402 Base Tools – Address Profile](https://www.zero.xyz/c/x402-base-tools-address-profile-43fa420a/llms.txt): $0.001/call via x402. Returns a comprehensive profile of a Base blockchain address: wallet type, transaction count, ETH and USDC balances, primary Basename, ERC-20 token info, and x402 seller/payment receiver details.
- [x402 Base Tools – Basename Resolver](https://www.zero.xyz/c/x402-base-tools-basename-resolver-b23b3e14/llms.txt): $0.001/call via x402. Resolves a Basename (e.g. jesse.base.eth) to its Ethereum address, or reverse-resolves an address to its primary Basename on Base.
- [x402 Base Tools – Gas & Transaction Cost Oracle](https://www.zero.xyz/c/x402-base-tools-gas-transaction-cost-oracle-b83621f7/llms.txt): $0.001/call via x402. Returns current Base network gas fees (base fee, priority fee percentiles, L1 data fee) and the USD/ETH cost of common transaction types including ETH transfers, ERC-20 transfers, USDC x402 payments, swaps, and NFT mints.
- [x402 Base Tools – USDC Authorization Nonce Status & Balance](https://www.zero.xyz/c/x402-base-tools-usdc-authorization-nonce-status-balance-27593877/llms.txt): $0.001/call via x402. Checks whether a USDC transferWithAuthorization nonce has been used on Base and returns the authorizer's current USDC balance, letting x402 payment flows confirm settlement.
- [x402 Base Tools – Transaction Decoder](https://www.zero.xyz/c/x402-base-tools-transaction-decoder-dd71147f/llms.txt): $0.002/call via x402. Returns comprehensive decoded details for a Base transaction: status, timestamps, addresses, ETH value, function name, fee breakdown (L2+L1 in ETH/USD), ERC-20 and NFT transfers, and x402 USDC payment details.
- [x402 Base Tools – ERC-20 Token USD Price on Base](https://www.zero.xyz/c/x402-base-tools-erc-20-token-usd-price-on-base-0305fe11/llms.txt): $0.002/call via x402. Returns the USD price of any ERC-20 token on Base by reading its deepest Uniswap v3 or Aerodrome liquidity pool, with per-pool depth and liquidity quality flags.

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)