# Services from free-asset-radar-x402.besenok2018.workers.dev on Zero

> free-asset-radar-x402.besenok2018.workers.dev serves 18 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/free-asset-radar-x402.besenok2018.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/free-asset-radar-x402.besenok2018.workers.dev/health.json

## Services

- [Free Asset Radar – Contract Profile](https://www.zero.xyz/c/free-asset-radar-contract-profile-42f666da/llms.txt): $0.003/call via x402. Retrieves on-chain contract profile data for a given address on Base, including ownership, proxy detection, bytecode size, and bytecode hash.
- [Free Asset Radar – Package Vulnerability Check](https://www.zero.xyz/c/free-asset-radar-package-vulnerability-check-e0b7ce13/llms.txt): $0.005/call via x402. Checks an npm/software package and version for known security vulnerabilities and returns a vulnerability count and list.
- [Free Asset Radar x402 – Base Address Profile](https://www.zero.xyz/c/free-asset-radar-x402-base-address-profile-15236915/llms.txt): $0.002/call via x402. Returns an on-chain profile for a Base network address, including ETH balance, nonce, and whether it is a contract.
- [EVM Wallet Balance Lookup](https://www.zero.xyz/c/evm-wallet-balance-lookup-0ec7759b/llms.txt): $0.003/call via x402. Returns the native token balance, nonce, contract status, and network info for a given EVM wallet address
- [NPM Package Health Check](https://www.zero.xyz/c/npm-package-health-check-c915fd96/llms.txt): $0.005/call via x402. Returns health metadata for an npm package including latest version, deprecation status, and weekly download count
- [Free Asset Radar x402 – Base Wallet Balance](https://www.zero.xyz/c/free-asset-radar-x402-base-wallet-balance-350ccb86/llms.txt): $0.001/call via x402. Returns the ETH, USDC, and token balances of a wallet address on the Base network (EIP-155 chain 8453)
- [Free Asset Radar x402 ENS Resolve API](https://www.zero.xyz/c/free-asset-radar-x402-ens-resolve-api-a35e2aeb/llms.txt): $0.002/call via x402. Resolves an ENS (Ethereum Name Service) domain name to its corresponding Ethereum address, or performs reverse lookup, via a pay-per-call x402 edge endpoint.
- [Free Asset Radar – Multi-Chain Wallet Snapshot](https://www.zero.xyz/c/free-asset-radar-multi-chain-wallet-snapshot-6c36887a/llms.txt): $0.01/call via x402. Returns native token balances for a given wallet address across up to 20 blockchain networks in a single call.
- [EVM Token Metadata Lookup](https://www.zero.xyz/c/evm-token-metadata-lookup-29906623/llms.txt): $0.003/call via x402. Returns on-chain metadata for an EVM token contract address, including symbol, decimals, network, and total supply.
- [Free Asset Radar x402 – EVM ETH Call](https://www.zero.xyz/c/free-asset-radar-x402-evm-eth-call-6a4bbfef/llms.txt): $0.003/call via x402. Executes a read-only eth_call on an EVM-compatible network (defaulting to Base) and returns the raw hex result, billed via x402 micropayment at $0.003 USDC per call.
- [Free Asset Radar x402 Endpoint Audit](https://www.zero.xyz/c/free-asset-radar-x402-endpoint-audit-e1aeaecd/llms.txt): $0.01/call via x402. Audits an x402-compliant API endpoint to assess its protocol conformance, payment acceptance, and quality score
- [Free Asset Radar x402 Base Receipt Lookup](https://www.zero.xyz/c/free-asset-radar-x402-base-receipt-lookup-d7861e94/llms.txt): $0.002/call via x402. Retrieves the on-chain receipt for an x402 payment on Base (EIP-155:8453), returning fee, status, and confirmation details.
- [Free Asset Radar x402 – Decode & Inspect Endpoint](https://www.zero.xyz/c/free-asset-radar-x402-decode-inspect-endpoint-2655c1d0/llms.txt): $0.001/call via x402. Decodes and inspects x402 payment headers or tokens (e.g. JWTs), returning SHA-256 hash, decoded payload, and detected token type
- [Free Asset Radar x402 Base64 Encoder/Decoder](https://www.zero.xyz/c/free-asset-radar-x402-base64-encoder-decoder-f44e996f/llms.txt): $0.0005/call via x402. Encodes or decodes data using Base64 encoding via a paid edge-hosted utility endpoint
- [Free Asset Radar – Base USDC Transfer Check](https://www.zero.xyz/c/free-asset-radar-base-usdc-transfer-check-ced2c263/llms.txt): $0.002/call via x402. Checks and summarizes USDC transfer activity on the Base network for a given address or transaction context
- [Free Asset Radar x402 API – OpenAPI Smoke Check](https://www.zero.xyz/c/free-asset-radar-x402-api-openapi-smoke-check-5858c549/llms.txt): $0.01/call via x402. Validates and summarizes an OpenAPI specification by running a smoke check that counts paths and operations and reports unresolved references.
- [Free Asset Radar x402 – ERC-20 Transfer Lookup](https://www.zero.xyz/c/free-asset-radar-x402-erc-20-transfer-lookup-f3dd84d2/llms.txt): $0.002/call via x402. Fetches ERC-20 token transfer history for a given address or token, returning transfer count, direction, and amounts
- [Free Asset Radar x402 Hash API](https://www.zero.xyz/c/free-asset-radar-x402-hash-api-fc57717e/llms.txt): $0.0005/call via x402. Computes a SHA-256 hash of provided data and returns hex and base64 encodings via an x402-payable edge endpoint

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)