{"uid":"cap_hfmwBA1_tSBUdEVwK-Ki-","slug":"base-usdc-receipt-lookup-risk-assessment-c5e06ef0","name":"Base USDC Receipt Lookup & Risk Assessment","description":"Verifies a Base transaction against USDC receipt data and returns transfer details, finality, and provenance for a given transaction hash.","url":"https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/usdc-receipt","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["tx"],"properties":{"tx":{"type":"string","pattern":"^0x[a-fA-F0-9]{64}$","description":"Base transaction hash."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"network":{"type":"string"},"product":{"type":"string"},"activity":{"type":"object"},"identity":{"type":"object"},"assessment":{"type":"object"},"provenance":{"type":"object"}}}}}}},"responseSchema":{"type":"json","example":{"network":"eip155:8453","product":"base-usdc-receipt","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dfoYN6WMlY0TpQRI9QOCc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a structured receipt for a Base chain USDC transaction, including risk scoring, activity details, and provenance assessment.","exampleAgentPrompt":"Can you pull up the receipt and risk assessment for this Base USDC transaction — 0x3a1b2c...d4e5f6 — and tell me the risk score and any flags on it?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the network identifier (eip155:8453), product name, risk assessment (risk_score, risk_level, flags array), activity details, identity info, and provenance data for the given transaction hash.","failureModes":["Invalid or malformed transaction hash (not matching ^0x[a-fA-F0-9]{64}$) returns an error","Transaction hash not found on Base network returns not-found error","Non-USDC transaction hash may return unexpected or empty activity data","Network timeout or upstream RPC failure may cause delayed or failed response","Payment of 0.003 USDC not fulfilled results in 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a structured, machine-readable receipt and risk assessment for a specific USDC transaction on Base (chain ID 8453). Prefer this over generic block explorers when you need a normalized risk score, flags, and provenance in a single API call suitable for agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:47:52.842Z","isFirstParty":false}