# Services from wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws on Zero

> wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws 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/wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws/health.json

## Services

- [x402 Base Tools – ERC-20 Token Price on Base](https://www.zero.xyz/c/x402-base-tools-erc-20-token-price-on-base-d79e1157/llms.txt): $0.002/call via x402. Returns the current USD price of any ERC-20 token on Base by reading Uniswap v3 and Aerodrome pool depths against USDC and WETH (with ETH/USD from Chainlink), flagging thin markets.
- [x402 Base Tools – Address Balance](https://www.zero.xyz/c/x402-base-tools-address-balance-2b91c5a9/llms.txt): $0.001/call via x402. Returns the ETH balance and ERC-20 token balances of a Base address, with USD valuations for ETH, stablecoins, and up to five other held tokens priced from on-chain pools.
- [x402 Base Tools – Gas & Transaction Cost Oracle](https://www.zero.xyz/c/x402-base-tools-gas-transaction-cost-oracle-b9df98b1/llms.txt): $0.001/call via x402. Returns current Base L2 gas fees (base fee, priority fee percentiles), L1 data fee, and USD/ETH costs for common transaction types (ETH transfer, ERC-20 transfer, USDC x402 payment, swap, NFT mint) using Chainlink ETH/USD pricing.
- [x402 Base Tools – Basename Resolver](https://www.zero.xyz/c/x402-base-tools-basename-resolver-cfe27fde/llms.txt): $0.001/call via x402. Resolve a Basename (e.g. jesse.base.eth) to its Ethereum address, or reverse-lookup the primary Basename for a given address on Base.
- [x402 Base Tools – Transaction Details](https://www.zero.xyz/c/x402-base-tools-transaction-details-5c82b99a/llms.txt): $0.002/call via x402. Returns comprehensive details for a Base blockchain transaction: status, timestamp, sender/receiver, ETH value, decoded function name, L1/L2 fee breakdown in ETH and USD, ERC-20 and NFT transfers, and x402 USDC payments with named sellers.
- [x402 Base Tools – x402 Payment Checker](https://www.zero.xyz/c/x402-base-tools-x402-payment-checker-6c0b7010/llms.txt): $0.001/call via x402. Given a Base transaction hash, checks whether it settled x402 payments (USDC transferWithAuthorization / EIP-3009), and returns payer, payTo address, amount in USDC, nonce, facilitator, and seller info from Bazaar listings.
- [x402 Base Tools – ERC-20 Token Info](https://www.zero.xyz/c/x402-base-tools-erc-20-token-info-5f76186a/llms.txt): $0.001/call via x402. Returns the name, symbol, decimals, and total supply of any ERC-20 token on the Base blockchain, plus a Basescan link, given a token address or well-known symbol.
- [x402 Base Tools – EIP-3009 Authorization Status Check](https://www.zero.xyz/c/x402-base-tools-eip-3009-authorization-status-check-88091352/llms.txt): $0.001/call via x402. Checks whether a specific EIP-3009 authorization nonce has been used and returns the authorizer's USDC balance on Base mainnet
- [x402 Base Tools – Address Profile Lookup](https://www.zero.xyz/c/x402-base-tools-address-profile-lookup-6905348c/llms.txt): $0.001/call via x402. Retrieves a live on-chain profile for a Base mainnet address including ETH/USDC balances, type, Basename, token holdings, x402 seller status, and recent transaction count.

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)