{"uid":"cap_svCfmjhM0zpwQ9OJ1d62y","slug":"api-8k4protocol-com-ec0ab296","name":"ERC-8004 Agent Trust Score Lookup","description":"Get an ERC-8004 trust score for a specific agent and chain","url":"https://api.8k4protocol.com/agents/21480/score","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pJtWQiedOiADQc-7smCdb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an ERC-8004 trust score for a specific agent on a given blockchain chain","exampleAgentPrompt":"Can you look up the ERC-8004 trust score for agent 21480 on Ethereum mainnet using the 8k4 Protocol?","exampleUseCases":null,"resultDescription":"Returns a numeric ERC-8004 trust score for the specified agent on the given chain, reflecting the agent's on-chain reputation and trustworthiness according to the 8k4 Protocol scoring model.","failureModes":["Agent ID not found — 404 or empty result","Invalid chain ID — returns error or no score available","Agent has no on-chain history — score may be null or zero","Network or RPC issues causing timeout","Insufficient USDC balance for x402 payment — request rejected"],"whenToPreferThis":"Use this endpoint when you need a standardized ERC-8004 trust score for a specific agent on a particular blockchain chain, especially when you need a quick numeric reputation signal before deciding whether to interact with or delegate to an autonomous agent. Prefer this over the explanation endpoint when you only need the raw score, not the reasoning behind it.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:57.864Z","isFirstParty":false}