{"uid":"cap_aLZ7reMkCWyqcAU7TExJB","slug":"trustagent-reputation-lookup-0a372857","name":"TrustAgent Reputation Lookup","description":"What is this agent's reputation actually worth? 92.6% of ERC-8004 feedback on Base is coordinated. This clusters reviewers by funding provenance and caps each cluster at one effective vote, returns every record with its evidence class and flag reasons, and refuses to average ratings that use incompatible scales. Free alternative: GET /v1/verify. Trial: 3 free calls/wallet/24h — https://trust-agent.io/v1/trial.","url":"https://trust-agent.io/v1/reputation","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":["subject"],"properties":{"chain":{"type":"string","description":"OPTIONAL. Only \"base\" is served; any other value is refused rather than answered from the wrong chain. Defaults to base."},"subject":{"type":"string","description":"REQUIRED. agentId, eip155 identifier, or an address owning an agent."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"reputation":{"description":"sybilShare, uniqueClusters, evidenceBreakdown, per-tag aggregates"},"interpretation":{"description":"plain-language summary of what the numbers mean"}}}}}}},"responseSchema":{"type":"json","example":{"reputation":"sybilShare, uniqueClusters, evidenceBreakdown, per-tag aggregates","interpretation":"plain-language summary of what the numbers mean"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002006","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":"$0.002006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vD44NWIC53V9_g3OiTiZv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an ERC-8004-based reputation score for a blockchain address, AI agent, or DeFi contract, indicating whether it is safe to pay on Base.","exampleAgentPrompt":"Before I send payment, check the TrustAgent reputation for the Base address 0xAbC123...def456 — tell me its sybil share, cluster count, and whether it looks safe to pay.","exampleUseCases":[{"title":"Pre-payment agent safety check","prompt":"I'm about to pay this AI agent at 0x4f3a...9b12 on Base — can you look up its TrustAgent reputation and tell me if it has any sybil risk or red flags before I send funds?"},{"title":"DeFi contract trust audit","prompt":"Before my protocol integrates with this DeFi contract at 0xDe45...77cc on Base, pull its ERC-8004 reputation score and give me a plain-language summary of any evidence of suspicious behavior."},{"title":"Screening new payee wallet","prompt":"I've never sent money to 0x9aF1...3e78 before — run a TrustAgent reputation check on that Base address and tell me the sybil share and what the evidence breakdown says about it."}],"resultDescription":"A JSON object containing: a reputation object with sybilShare (fraction of activity attributed to sybil clusters), uniqueClusters count, evidenceBreakdown (per-evidence-source details), and per-tag aggregates; plus an interpretation field with a plain-language summary of what the numbers mean for whether the subject is safe to pay.","failureModes":["Subject address not found or not indexed — returns empty or null reputation data","Chain other than 'base' specified — request refused with an error rather than returning data from a wrong chain","Invalid subject format (not a valid agentId, EIP-155 identifier, or address) — likely a 4xx validation error","Payment not completed or $0.002 USDC micropayment rejected — request not processed","Rate limiting or service unavailability — 5xx error response"],"whenToPreferThis":"Use TrustAgent when you need an ERC-8004 compliant, Base-chain-specific reputation score before executing a payment to an unknown address, AI agent, or DeFi contract. Prefer this over generic blockchain explorers when you need a structured, machine-readable safety judgment with sybil analysis and evidence breakdown rather than raw transaction history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:23.308Z","isFirstParty":false}