{"uid":"cap_4Qxyz3PuoMeIZEBZROolk","slug":"xerxes-base-token-contract-verdict-5aa24d5c","name":"Xerxes Base Token Contract Verdict","description":"AI-written token verdict on one token contract on Base: grade (BASED/MID/COOKED/RADIOACTIVE), a one-liner and a… Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call. Query: token (token contract, 0x + 40 hex).","url":"https://ari001.tailb4ac3a.ts.net/v1/ventures/ethereum_contract_abi_service/token_verdict_base?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["token"],"properties":{"token":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"token contract, 0x + 40 hex"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean"},"chain":{"type":"string"},"error":{"type":"string","description":"present when ok is false"},"cached":{"type":"boolean"},"method":{"const":"verdict"},"result":{"type":"object","required":["token","grade","one_liner","roast","written_by","facts"],"properties":{"facts":{"type":"object","description":"the contract state read: is_contract, code_bytes, name, symbol, decimals, total_supply, owner, owner_renounced, proxy_slot, proxy_implementation, proxy_slots_checked, erc20_shaped"},"grade":{"enum":["BASED","MID","COOKED","RADIOACTIVE"],"description":"RADIOACTIVE: not a contract, or not ERC-20 shaped (no decimals/totalSupply). COOKED: a proxy implementation slot is set (EIP-1967, its beacon, or ZeppelinOS) AND owner() names a live owner. MID: either one. BASED: neither found."},"roast":{"type":"string","maxLength":220},"token":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"},"one_liner":{"type":"string","maxLength":60},"disclaimer":{"type":"string"},"grade_rule":{"type":"string"},"written_by":{"enum":["model","template"]}}},"service":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pyn32NxoBPmOTK1Zx3K-b","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a graded verdict (BASED/MID/COOKED/RADIOACTIVE) for a Base network ERC-20 token contract address based on on-chain contract state analysis","exampleAgentPrompt":"What's the verdict on Base token contract 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 — give me its grade, whether it's a proxy, who owns it, and the roast.","exampleUseCases":[{"title":"Screening a new Base memecoin","prompt":"Can you check the contract 0x532f27101965dd16442e59d40670faf5ebb142e4 on Base and tell me if it's BASED or COOKED — I want to know if it's a proxy, whether the owner is renounced, and get the one-liner verdict."},{"title":"Due diligence before trading a Base token","prompt":"Before I ape into this Base token at 0x4ed4e862860bed51a9570b96d89af5e1b0efefed, can you pull its contract grade and tell me if there's a live owner or any proxy slots set?"},{"title":"Automated token contract audit in a DeFi agent","prompt":"Run a contract verdict check on 0x50c5725949a6f0c72e6c4a641f24049a917db0cb on Base — I need the grade, facts like decimals and total supply, and the roast so I can decide whether to list it."}],"resultDescription":"Returns a JSON object with: a grade enum (BASED=clean, MID=one risk flag, COOKED=both proxy and live owner, RADIOACTIVE=not a contract or not ERC-20 shaped), a one-liner summary (≤60 chars), a roast string (≤220 chars), the grade rule applied, whether written by model or template, and a facts object containing code_bytes, name, symbol, decimals, total_supply, owner, owner_renounced, proxy_slot, proxy_implementation, proxy_slots_checked, is_contract, and erc20_shaped flags.","failureModes":["Address is not a deployed contract → grade RADIOACTIVE, is_contract false","Address is a contract but lacks decimals/totalSupply (not ERC-20 shaped) → grade RADIOACTIVE","Invalid address format (not 0x + 40 hex) → input validation error","RPC node unavailable → service error with ok:false and error field","Address is a valid ERC-20 but RPC timeout on owner() call → partial facts returned"],"whenToPreferThis":"Use this endpoint when you need a fast, on-chain-only structural verdict on a Base ERC-20 contract — specifically to detect proxy patterns and unrenounced ownership. It does NOT check holders, liquidity, price, or trading history, so it is not a safety or legitimacy oracle. Prefer this over general blockchain explorers when you need a machine-readable grade with a standardized rule and roast for automated agent pipelines or DeFi screening workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:14:44.149Z","isFirstParty":false,"canonicalSlug":"xerxes-base-token-contract-verdict-5aa24d5c"}