{"service":"x402 research echo","paid_routes":["POST /echo","POST /web/search","POST /hash","POST /uuid","POST /base64","POST /time","POST /chain/erc20-balance","POST /chain/block","POST /chain/tx","POST /chain/eth-balance","POST /chain/token","POST /chain/gas","POST /chain/code","POST /chain/nonce"],"routes":{"/web/search":"Web search","/hash":"SHA-256, SHA-512 and keccak-256 digests of a string.","/uuid":"Cryptographically random UUIDv4 identifiers, 1 to 100 per call.","/base64":"Encode or decode base64 and base64url, with validation.","/time":"Current UTC time as ISO-8601, unix seconds, unix millis and RFC-2822.","/chain/erc20-balance":"Token balance for any address on Base, decimals applied.","/chain/block":"Latest Base block number, hash, timestamp and gas used.","/chain/tx":"Status, block, gas and transfer details for a Base transaction.","/chain/eth-balance":"Native ETH balance for any address on Base.","/chain/token":"Name, symbol, decimals and total supply for an ERC-20 on Base.","/chain/gas":"Current Base gas price and EIP-1559 base fee.","/chain/code":"Whether an address is a contract, with bytecode size.","/chain/nonce":"Transaction count for an address on Base, pending or latest."},"price":"$0.120000 USDC","openapi":"https://tripguard-fare-intel.onrender.com/openapi.json","stats":"https://tripguard-fare-intel.onrender.com/stats","guidance":"Utility API for agents on Base. Cryptographic digests, UUIDs, base64, server time, and live onchain reads: ERC-20 and native balances, token metadata, block and transaction lookup, gas price, contract detection and account nonce. Every route returns real data read at call time, with a clear error rather than a silent zero when a lookup misses. Price: $0.120000 USDC. No API key. See / for the full route list."}