{"uid":"cap_DPe46kQTEkWxSXu2z6MyB","slug":"base-erc-20-token-risk-verdict-c482f44f","name":"Base ERC-20 Token Risk Verdict","description":"Should your agent buy this Base token? Half the price of $0.02 AI token-verdict quests, deterministic on-chain checks instead of an LLM opinion. One-call verdict OK|CAUTION|AVOID + should_buy + can_sell + plain-English reasons, backed by risk_score 0-100 + level, flags (honeypot, cannot_sell_all, high tax, mintable, hidden owner, proxy, blacklist, unverified), bytecode size, EIP-1967 proxy impl, owner(), buy/sell tax, honeypot simulation, top10 holder pct, holders. address=0x... (Base ERC-20).","url":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/token-risk?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","examples":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"description":"Base ERC-20 contract"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chain":"base","flags":["upgradeable_proxy"],"token":{"symbol":"USDC","decimals":6,"holder_count":11391096},"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","reasons":["upgradeable proxy (logic can change)"],"trading":{"buy_tax":0,"sell_tax":0,"honeypot_sim":{"is_honeypot":false},"top10_holder_pct":26.49},"verdict":"OK","can_sell":true,"contract":{"is_contract":true,"bytecode_bytes":1852,"verified_source":true},"risk_level":"low","risk_score":5,"should_buy":true}},"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_rvDpDzFVOv0f9St8tj4ty","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 deterministic on-chain risk verdict (OK|CAUTION|AVOID), should_buy/can_sell flags, risk score 0-100, and specific risk flags for any Base ERC-20 token address","exampleAgentPrompt":"Before I swap into it, can you run an on-chain risk check on the Base token at 0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed and tell me if I should buy it, the risk score, and any honeypot or tax flags?","exampleUseCases":[{"title":"Pre-trade honeypot check for DeFi bot","prompt":"My trading bot is about to buy the Base token at 0x532f3EFf8Dc9f1B01Dc2b1B2B98f2E4F6B1234AB — can you first check if it's a honeypot or has a sell tax above 5%, and give me a verdict on whether it's safe to buy?"},{"title":"Wallet drainer screening for airdrop token","prompt":"I just received an unknown token airdrop on Base at contract address 0xabc123...def456 — can you check if it's flagged as a honeypot, if the contract is unverified, or if there are any hidden owner or blacklist risks before I try to sell it?"},{"title":"Portfolio token safety audit","prompt":"I'm reviewing my Base wallet holdings and want to know if the token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is safe — please give me its risk score, whether I can sell it, the top 10 holder concentration, and any contract flags like mintable or proxy."}],"resultDescription":"A JSON object with: verdict (OK|CAUTION|AVOID), should_buy (boolean), can_sell (boolean), risk_score (0-100 integer), risk_level (low/medium/high), plain-English reasons array, flags array (e.g. honeypot, cannot_sell_all, high_tax, mintable, hidden_owner, proxy, blacklist, unverified), trading details (buy_tax, sell_tax, honeypot_sim.is_honeypot, top10_holder_pct), token metadata (symbol, decimals, holder_count), and contract info (bytecode_bytes, verified_source, EIP-1967 proxy impl, owner address).","failureModes":["Invalid or non-ERC-20 address returns error (address must match ^0x[0-9a-fA-F]{40}$)","Non-Base chain addresses may return incorrect or empty results since only Base ERC-20 tokens are supported","Honeypot simulation may fail for tokens with unusual transfer mechanics","Unverified contracts may have limited flag coverage","Payment failure (402) if USDC balance on Base is insufficient","Rate limiting or worker timeout for very large contracts with high bytecode size"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a single deterministic on-chain safety verdict before executing a token swap or trade on Base — especially when you want to avoid LLM-opinion-based token analysis and instead rely on bytecode-level checks, honeypot simulation, tax measurement, and holder concentration data. It is cheaper than comparable AI-verdict services ($0.01 vs $0.02) and covers all major rug pull vectors in one call. Prefer it over generic blockchain explorers when you need a machine-readable buy/sell decision with structured risk flags rather than raw contract data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:13.170Z","isFirstParty":false,"canonicalSlug":"base-erc-20-token-risk-verdict-c482f44f"}