{"uid":"cap_xqftQOmRB8MPAanKUmf58","slug":"vextorium-evm-address-inspector-6b60ab5d","name":"Vextorium EVM Address Inspector","description":"Address inspector for EVM chains: wallet (EOA), EIP-7702 delegated wallet or contract; bytecode size, ERC-20/721/1155 support, proxy implementation and beacon, nonce and native balance.","url":"https://api.vextorium.com/v1/address-inspect?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["address"],"properties":{"address":{"type":"string","description":"Address to inspect"},"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string","description":"EVM network (default base)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"type":{"type":["string","null"]},"address":{"type":["string","null"]},"network":{"type":["string","null"]},"explorer":{"type":["string","null"]},"standards":{"type":["array","null"],"items":{"type":["null","string"]}},"proxy_beacon":{},"bytecode_size":{"type":["number","null"]},"native_balance":{"type":["number","null"]},"sent_transactions":{"type":["number","null"]},"implementation_proxy":{"type":["string","null"]}}}}}}},"responseSchema":{"type":"json","example":{"type":"contrato","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","explorer":"https://basescan.org/address/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","standards":["ERC-20"],"proxy_beacon":null,"bytecode_size":1852,"native_balance":0.009800646158085844,"sent_transactions":1,"implementation_proxy":"0x2Ce6311ddAE708829bc0784C967b7d77D19FD779"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bPhOmSkB4A8axTQRIvvAr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Inspects an EVM address to determine if it is a wallet (EOA), EIP-7702 delegated wallet, or contract, including bytecode size, token standard support, proxy details, nonce, and native balance.","exampleAgentPrompt":"Can you inspect the address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base and tell me if it's a wallet or contract, what token standards it supports, its native balance, and whether it's a proxy with an implementation address?","exampleUseCases":[{"title":"Classify unknown DeFi contract","prompt":"I found this address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — can you tell me if it's a smart contract, what token standards it implements like ERC-20 or ERC-721, and whether it's a proxy pointing to some other implementation?"},{"title":"Verify wallet before sending funds","prompt":"Before I send any funds, can you check if 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum is a regular wallet or a contract, and tell me its current ETH balance and how many transactions it's sent?"},{"title":"Detect EIP-7702 delegated wallet","prompt":"I want to know if the address 0x1234567890abcdef1234567890abcdef12345678 on Base is a standard EOA, an EIP-7702 delegated wallet, or a contract — can you inspect it and give me the full breakdown?"}],"resultDescription":"Returns a JSON object containing the address type (EOA, contract, or EIP-7702 delegated wallet), the network and block explorer URL, list of supported token standards (ERC-20, ERC-721, ERC-1155), bytecode size in bytes, native token balance, number of sent transactions (nonce), and proxy implementation or beacon address if applicable.","failureModes":["Invalid or malformed address format returns an error","Unsupported network value returns a validation error","Address not found or zero-activity address may return null fields","Network RPC timeout may cause delayed or failed response","Non-proxy contracts return null for implementation_proxy and proxy_beacon fields"],"whenToPreferThis":"Use this endpoint when you need to determine the nature of an EVM address — whether it is a plain wallet, EIP-7702 delegated wallet, or smart contract — and want rich metadata like token standard support, proxy chain, bytecode size, and on-chain balances in a single call across Base, Ethereum, Arbitrum, Optimism, and Polygon. Prefer this over a generic block explorer lookup when you need structured, machine-readable output suitable for agentic workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:49:10.034Z","isFirstParty":false,"canonicalSlug":"vextorium-evm-address-inspector-3a495201"}