{"uid":"cap_9_aYo0yYxleHkQV0EtV4J","slug":"base-merchant-trust-assessment-bcb32674","name":"Base Merchant Trust Assessment","description":"Machine-payable service intelligence for discovering, verifying, and monitoring identity, risk, authorization, execution-preflight, and evidence APIs before autonomous agents spend.","url":"https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/merchant-trust","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"Base merchant payment recipient address."}}}},"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":"x402-merchant-trust","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fo5Fq8BzhdyGrLcKiWwIx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Evaluates the trustworthiness and risk profile of a Base blockchain merchant address before making payments","exampleAgentPrompt":"Before I pay this merchant, can you check how trustworthy the Base address 0x1234567890abcdef1234567890abcdef12345678 is — what's its risk score and are there any flags I should know about?","exampleUseCases":[{"title":"Validate vendor before purchasing API","prompt":"I'm about to buy an API service from a vendor on Base, but I want to make sure they're legit before sending USDC. Can you check their merchant address and tell me if there are any red flags or trust issues I should worry about?"},{"title":"Assess risk for dataset marketplace transaction","prompt":"We're considering purchasing a dataset from a Base merchant, but the address is new to us. Run a quick trustworthiness check on their wallet and let me know if the risk score looks acceptable for this price point."},{"title":"Verify payment recipient before transfer","prompt":"Before I authorize this payment to a merchant on Base, can you give me their risk profile? I need to know their risk level and any suspicious activity flags so I can decide if it's safe to proceed with the USDC transfer."}],"resultDescription":"Returns a JSON object with network identifier (eip155:8453), product name, and an assessment object containing: a risk_score (numeric), risk_level (e.g. 'low'), and a flags array listing any red flags. May also include activity, identity, and provenance objects with additional merchant context.","failureModes":["Invalid or malformed address (not matching ^0x[a-fA-F0-9]{40}$) returns validation error","Unknown or brand-new address with no on-chain history may return empty activity data","Payment failure for the $0.03 USDC x402 toll results in 402 response","Rate limiting or worker timeout returns 5xx error","Address exists but has no trust signals, resulting in a neutral/inconclusive assessment"],"whenToPreferThis":"Use this endpoint when an AI agent is about to make or authorize a payment to a Base blockchain merchant address and needs a risk preflight check. Ideal for x402-based commerce flows where the agent must validate merchant safety before executing a USDC transfer. Choose this over generic blockchain explorers when you need a structured, machine-readable risk score and flags rather than raw transaction history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:40:31.436Z","isFirstParty":false}