{"uid":"cap_L_PrWkA0Bv92IAHr_BxMt","slug":"x402-counterparty-trust-check-603cba46","name":"x402 Counterparty Trust Check","description":"Trust check before paying an unfamiliar x402 service, by pay_to address and/or service URL. Combines our own availability monitoring of the service's x402 endpoint (30-day uptime, last check, observed payTo/price and drift between our measurements), on-chain USDC payment history to the address on Base (2-day window), and EU regulatory status of the domain (MiCA-authorised or ESMA warning list). Factual only — no scores; not being monitored is not negative, presence is no endorsement.","url":"https://agentdata-api.sander-van-aard.workers.dev/x402/counterparty-check","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_w3QoBBJ-FZkuvlwSg1zjM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Aggregates Bazaar catalog presence, on-chain USDC payment history on Base, and EU regulatory status to provide factual due-diligence data on an x402 service counterparty before payment","exampleAgentPrompt":"Before I pay this x402 API, can you run a counterparty check on the pay_to address 0xAbC123... and the service URL api.example.com — I want to see its Bazaar catalog stats, recent USDC payment history on Base, and whether the domain is MiCA-authorised or flagged by ESMA?","exampleUseCases":null,"resultDescription":"Returns factual aggregated data including: whether the service is listed in the Bazaar catalog with 30-day usage statistics; on-chain USDC payment history to the address on Base (number of payments, unique payers, total volume over a 3-day window); and EU regulatory status of the service domain (whether it is MiCA-authorised or appears on the ESMA warning list). No scores or recommendations are provided — raw factual signals only.","failureModes":["Address not found on-chain — returns empty payment history, not an error","Service domain not in EU regulatory databases — returns absence data, not negative signal","Invalid Base address format — likely 4xx validation error","Bazaar catalog query fails — partial result returned for other sources","Service URL unreachable for domain lookup — partial result with error on that field","Rate limiting or upstream source timeout — 5xx error or degraded response"],"whenToPreferThis":"Use this endpoint when an AI agent is about to make an x402 micropayment to an unfamiliar service and needs factual, multi-source due diligence data. It is uniquely suited for the x402 ecosystem because it combines three heterogeneous signals (Bazaar catalog, Base on-chain history, EU regulatory status) in a single call. Prefer this over generic blockchain explorers when you need catalog and regulatory context together, and over pure regulatory checks when on-chain usage data matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:39:40.306Z","isFirstParty":false}