{"uid":"cap_W357m57whkZwHdexBB5YL","slug":"mint-intel-base-chain-contract-introspection-eb58a736","name":"Mint Intel: Base Chain Contract Introspection","description":"Best-effort Base contract introspection in one batched RPC call - bytecode presence and size, ERC-20 metadata (name, symbol, decimals, totalSupply), ERC-721 / ERC-1155 / ERC-165 detection, Ownable owner() and proxy implementation; classifies EOA, EIP-7702 delegated EOA, token, NFT or plain contract.","url":"https://mintintel.35-171-220-195.sslip.io/v1/base/contract/:address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"0x-prefixed 20-byte EVM address"}},"additionalProperties":false},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["address","kind","standards"],"properties":{"kind":{"type":"string"},"address":{"type":"string"},"standards":{"type":"array"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__7vQYICfqBwFLMgz8WhC7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs batched on-chain introspection of any Base chain address, classifying it as EOA, EIP-7702 delegated EOA, ERC-20 token, NFT, or plain contract, with metadata extraction in a single RPC call.","exampleAgentPrompt":"Look up the Base chain address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and tell me what kind of contract it is — whether it's an ERC-20 token, NFT, proxy, EOA, or something else, and give me its name, symbol, decimals, and owner if available.","exampleUseCases":[{"title":"Verify token contract before DeFi interaction","prompt":"Before I swap on Base, can you check 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and confirm it's a legitimate ERC-20 token — get me its name, symbol, decimals, total supply, and whether it's a proxy contract?"},{"title":"NFT contract classification for collector","prompt":"I just found this Base contract at 0x7c6b91D9Be155A6Db01f749217d76fF02A7227F2 — can you tell me if it's an ERC-721 or ERC-1155 NFT contract and who the owner is?"},{"title":"Smart contract security pre-audit check","prompt":"Can you do a quick introspection on Base contract 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA — I need to know its bytecode size, whether it's a proxy with an implementation address, and who the Ownable owner is?"}],"resultDescription":"Returns a JSON object with the address, a kind classification (EOA, EIP-7702 delegated EOA, ERC-20 token, NFT ERC-721, NFT ERC-1155, or plain contract), bytecode presence and size, detected ERC standards array, ERC-20 metadata (name, symbol, decimals, totalSupply) if applicable, Ownable owner() address if applicable, and proxy implementation address if applicable — all gathered in a single batched RPC call.","failureModes":["Invalid or malformed address format (non-0x-prefixed or wrong length) returns 400 error","Address not found or network error returns 5xx error","Contract may be partially compliant with a standard, causing incomplete metadata fields","ERC-20 metadata calls may fail silently on non-standard tokens, returning nulls","Proxy detection limited to EIP-1967 and common patterns; exotic proxies may not be detected","Payment failure (x402) returns 402 if USDC payment is not correctly submitted"],"whenToPreferThis":"Use this endpoint when you need a comprehensive, single-call snapshot of any Base chain address — especially when you want contract classification plus token metadata plus proxy and ownership data without making multiple separate RPC calls. Prefer this over raw eth_getCode when you need interpreted results and token standard detection. Choose this over Ethereum equivalents specifically for Base (L2) addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:23.955Z","isFirstParty":false,"canonicalSlug":"mint-intel-base-chain-contract-introspection-eb58a736"}