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set":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_touMLOoACEvi0zL4Qj2Pd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns deployed bytecode for an Ethereum address to determine whether it is a smart contract or an externally owned account (EOA)","exampleAgentPrompt":"Can you check if 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 is a smart contract or just a regular wallet on Ethereum mainnet?","exampleUseCases":null,"resultDescription":"Returns the deployed bytecode (hex-encoded) at the given Ethereum address as retrieved via eth_getCode. If the address is a smart contract, the bytecode will be a non-empty hex string; if it is an externally owned account (EOA), the result will be '0x' (empty). Supports Ethereum mainnet and Sepolia testnet.","failureModes":["Invalid address format (not 0x + 40 hex chars) — likely returns 400 or validation error","Unsupported network value — returns error since only 'ethereum' and 'sepolia' are accepted","Node/RPC unavailability — may return 5xx or timeout","Address with no code (EOA) returns '0x' which is valid but may be misread as failure"],"whenToPreferThis":"Use this endpoint when you need to programmatically distinguish smart contracts from EOAs, verify that a deployment succeeded, or retrieve raw bytecode for a known Ethereum address. Ideal for pre-flight checks before calling contract methods, or for security workflows that need to confirm an address is (or is not) a contract. Supports both mainnet and Sepolia, making it useful in test and production pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:31:37.221Z","isFirstParty":false}