{"uid":"cap_H7W7YwgJUKws0ozOl8gBd","slug":"402-com-tr-b20-portfolio-freeze-seize-risk-scanner-f30266a7","name":"402.com.tr B20 Portfolio Freeze/Seize Risk Scanner","description":"🆕 Scans a wallet's B20 (Base-native) holdings for protocol-level freeze/seize powers and whether YOUR address is ALREADY blocked on any of them — the risk no ERC-20 portfolio tool can see. Returns per-token seizable/freezable/rebase flags plus a wallet-level verdict. Built for agents holding Base positions.","url":"https://402.com.tr/api/x402/b20-portfolio","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"},"queryParams":{"type":"object","required":["wallet"],"properties":{"wallet":{"type":"string","description":"Wallet address"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aSP1tJC9nl-uppBlG5xWt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans a wallet's entire Base-native B20 token holdings for protocol-level freeze, seize, and rebase risks, and checks whether the wallet is already blocked on any held token.","exampleAgentPrompt":"Scan my Base wallet 0xAbC123...def for B20 portfolio risks — I want to know which tokens I'm holding can be frozen or seized by their issuers, whether any have rebase mechanics, and if my address is already on a block list for any of them.","exampleUseCases":null,"resultDescription":"Returns a per-token breakdown of each B20 token in the wallet with flags for seizable, freezable, and rebase properties, plus a wallet-level verdict indicating whether the wallet address is currently blocked on any held token.","failureModes":["Invalid wallet address format returns a 400-level error","Wallet with no B20 holdings may return empty token list","Network or precompile RPC errors may cause 503 or timeout responses","Payment failure (insufficient USDC or x402 protocol error) blocks the call"],"whenToPreferThis":"Use this endpoint when you need a holistic, wallet-level sweep of B20 protocol-level risks across all holdings simultaneously, rather than checking a single token or a single token's blocklist — it is uniquely capable of detecting whether a given wallet address is already blocked on held tokens, which standard ERC-20 tools cannot see.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:55:40.979Z","isFirstParty":false}