{"uid":"cap_uoPF8nw5aLZtNZyT7TcK4","slug":"losbeto-agent-reputation-lookup-erc-8004-2e6b1262","name":"Losbeto Agent Reputation Lookup (ERC-8004)","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.","url":"https://markets.losbeto.xyz/agent-reputation?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":["agentId","clients"],"properties":{"agentId":{"type":"string","description":"agentId parameter"},"clients":{"type":"string","description":"clients parameter"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"On-chain trust for AI agents (ERC-8004, weeks-old standard): identity (owner, agentURI) plus reputation aggregation (getSummary) over caller-supplied client addresses on the Base registries. First x402 endpoint of its kind. Defaults to this node's own agentId 87048 as a live demo."}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZVE5p8ppUQNqMqj3lh5G5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns on-chain identity and reputation summary for an AI agent by querying ERC-8004 Base registries across a caller-supplied set of client addresses.","exampleAgentPrompt":"Can you look up the on-chain reputation and identity for agent ID 87048 using the Losbeto ERC-8004 registry, checking against client addresses 0xABC123 and 0xDEF456?","exampleUseCases":[{"title":"Vetting an agent before delegation","prompt":"Before I hand off this task to agent ID 12345, can you check its on-chain ERC-8004 reputation and identity on Base, looking across client addresses 0xAAA111 and 0xBBB222, so I know if it's trustworthy?"},{"title":"Aggregating agent trust across clients","prompt":"I need a reputation summary for agent 87048 aggregated over these three client addresses on Base: 0xC1, 0xC2, 0xC3 — pull the identity info and getSummary from the ERC-8004 registry."},{"title":"Auditing agent ownership and URI","prompt":"Who owns agent ID 55001 on-chain? Can you fetch its agentURI and reputation summary from the Losbeto ERC-8004 registry for client addresses 0xDEAD and 0xBEEF?"}],"resultDescription":"Returns a JSON object containing the agent's on-chain identity (owner address, agentURI) and a reputation aggregation (getSummary) computed over the supplied client addresses from the Base ERC-8004 registries.","failureModes":["Missing required agentId parameter returns an error","Invalid or non-existent agentId returns empty or null identity fields","Malformed client addresses may cause registry lookup failure","Payment not completed via x402 results in 402 response blocking data","Base network unavailability causes lookup timeout or error"],"whenToPreferThis":"Use this endpoint when you need to verify or audit an AI agent's on-chain identity and aggregated reputation across multiple client relationships, specifically within the ERC-8004 standard on Base. Prefer this over off-chain reputation systems when trust provenance must be cryptographically verifiable, or when building agent-to-agent trust workflows that require on-chain attestation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:40:43.127Z","isFirstParty":false,"canonicalSlug":"losbeto-agent-reputation-lookup-erc-8004-2e6b1262"}