{"uid":"cap_Cg9SgBl5Jg462G6q_t52h","slug":"x402-taint-trace-sanctioned-funds-detection-on-base-f5f5b3fd","name":"x402 Taint Trace — Sanctioned Funds Detection on Base","description":"Tainted-funds tracing: does this wallet's incoming money trace back to a sanctioned address within N hops? Multi-hop fund-flow trace on Base. Send { address, hops? }. Screen incoming payments before accepting them.","url":"https://x402-services-production.up.railway.app/api/compliance/taint","method":"POST","headers":{},"bodySchema":{"type":"object","required":["address"],"properties":{"hops":{"type":"number","description":"Trace depth 1-3 (default 2)"},"address":{"type":"string","description":"0x EVM address (Base)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TW-4zLzDCKtKYnDLEMXl9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Traces whether an EVM wallet's incoming funds originate from a sanctioned address within N hops on Base network","exampleAgentPrompt":"Before I accept this payment, can you check if the wallet 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD has any tainted funds tracing back to sanctioned addresses within 3 hops on Base?","exampleUseCases":null,"resultDescription":"Returns a taint analysis result indicating whether the wallet's incoming funds trace back to any sanctioned address within the specified hop depth, including the fund-flow path and which sanctioned entity was detected if applicable.","failureModes":["Invalid or malformed EVM address returns an error","Hop count outside 1-3 range may be rejected or clamped to default","Base node timeout or RPC failure causing trace to fail","Address with no transaction history returns no-trace result","Payment failure (insufficient USDC) blocks the call"],"whenToPreferThis":"Use this endpoint when you need to perform AML/sanctions compliance screening on a specific Base wallet before accepting an incoming payment, particularly when you need multi-hop fund-flow tracing rather than a simple address blocklist lookup. Prefer this over generic blockchain explorers when you need automated taint propagation analysis up to 3 hops deep.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:48:07.284Z","isFirstParty":false}