{"uid":"cap_I9NzrNhXclf_lWG5QULa_","slug":"wallet-token-contract-risk-snapshot-base-polygon-9fc5fc33","name":"Wallet / Token / Contract Risk Snapshot (Base, Polygon)","description":"Wallet / token / contract risk snapshot (Base, Polygon) — pre-trade check, machine-readable JSON — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/risk?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"chain":{"enum":["base","polygon"],"type":"string"},"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"risk","score":0,"receipt":{"tx_hash":"0x<64hex>","amount_usd":0.25,"receipt_id":"g402-<16hex>"},"signals":[{"name":"screen:ofac_sdn_treasury","evidence":"Not present on the OFAC SDN list (1046 digital-currency entries screened).","severity":"clear"},{"name":"token:liquidity_concentration","evidence":"Top 10 holders control 41.2% of supply.","severity":"info"}],"sources":[{"ok":true,"url":"https://base.blockscout.com/api/v2/addresses/0x…","name":"blockscout_address"}],"subject":{"kind":"token_contract","chain":"base","address":"0x4ed4…efed","network":"eip155:8453"},"verdict":"low_risk","request_id":"risk_<16hex>","generated_at":"<iso8601>","evidence_hash":"sha256:<64hex>"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hAJjaO18YLVZ_sjPpZs56","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a machine-readable risk score and signal breakdown for a wallet, token, or contract address on Base or Polygon — suitable for pre-trade due diligence.","exampleAgentPrompt":"Before I swap into this token, can you run a risk check on the contract 0x4ed4E00000000000000000000000000000000eFed on Base and tell me the verdict and any red flags?","exampleUseCases":[{"title":"Pre-trade token safety check","prompt":"I'm about to buy a new DeFi token on Base — can you check if the contract 0xABCd1234567890abcdef1234567890abcdef1234 is safe to interact with and give me the risk score?"},{"title":"OFAC sanctions screening for a counterparty","prompt":"Someone just sent me a payment request from 0x9f8e7d6c5b4a3210fedcba9876543210fedcba98 on Polygon — can you screen that wallet for OFAC sanctions and tell me if it's flagged?"},{"title":"Liquidity risk check before providing liquidity","prompt":"I'm thinking of adding liquidity to a pool on Base that uses token 0x1111222233334444555566667777888899990000 — can you pull the risk snapshot and check if the liquidity is dangerously concentrated among top holders?"}],"resultDescription":"A JSON object with: overall risk score (numeric), a verdict string (e.g. 'low_risk'), an array of named signals each with severity level (clear/info/warn/critical) and human-readable evidence, the subject's identified kind (wallet, token_contract, etc.), chain and address, a list of data sources queried, a tamper-evident evidence_hash, a payment receipt with tx_hash and receipt_id, and metadata like request_id and generated_at timestamp.","failureModes":["Invalid address format (not a valid 0x-prefixed 40-hex-character address) — likely returns a 400 or validation error","Unsupported chain value (not 'base' or 'polygon') — enum validation error","Payment failure via x402 protocol — no result returned","Upstream data source (e.g. Blockscout) unavailable — partial signals or degraded result","Address not found on-chain — result may still return with limited signals"],"whenToPreferThis":"Choose this endpoint when you need a structured, machine-readable, multi-signal risk assessment for a single EVM address on Base or Polygon — especially for pre-trade compliance checks, OFAC screening, or liquidity concentration analysis. It is purpose-built for agentic DeFi workflows where a JSON verdict with severity-tagged signals and an auditable evidence hash are required. Prefer it over generic blockchain explorers when you need a consolidated risk verdict rather than raw chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:43.218Z","isFirstParty":false,"canonicalSlug":"wallet-token-contract-risk-snapshot-base-polygon-9fc5fc33"}