{"uid":"cap_mSKU8z6Y7cvDGPcX9tiQU","slug":"trustlayer-agent-trust-score-3898e705","name":"TrustLayer Agent Trust Score","description":"Reputation intelligence for the autonomous agent economy. Trust scores, Sybil detection, and cross-chain identity for 130,000+ ERC-8004 agents across 20 chains. Powered by x402 micropayments.","url":"https://api.thetrustlayer.xyz/score/%7BagentId%7D","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":["agentId"],"properties":{"agentId":{"type":"string","description":"Agent ID in chain:id format (e.g. base:1378, bsc:1629, ethereum:13446)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"name":"QuickNick","agentId":"base:1378","trustScore":73,"scoreProfile":30,"scoreFeedback":65,"scoreLegitimacy":80}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"agentId":"base:1378"}}},"response":{"name":null,"note":"Agent not found in our index. Treat as unverified.","chain":"base","found":false,"agentId":"base:{agentId}","trustScore":null,"scoreProfile":null,"scoreFeedback":null,"scoreLegitimacy":null}},"exampleRequest":{"agentId":"base:1378"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/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_F-cA_cr47w2E_sNO-TRCF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a composite trust score and component breakdown for a specific ERC-8004 agent by chain-qualified agent ID","exampleAgentPrompt":"What's the trust score for Base agent base:1378? I want to know if it's safe to hire before delegating a task to it — give me the full breakdown including profile, feedback, and legitimacy scores.","exampleUseCases":null,"resultDescription":"A JSON object containing the agent's name, chain-qualified agentId, overall trustScore (0-100), and three component scores: scoreProfile (identity/profile depth), scoreFeedback (quality of received feedback), and scoreLegitimacy (Sybil-resistance and legitimacy signals).","failureModes":["Agent ID not found on specified chain — returns 404 or empty result","Malformed agentId format (missing chain prefix) — returns 400 validation error","Unsupported chain identifier — returns error indicating chain not indexed","Payment failure via x402 micropayment — returns 402 Payment Required","Rate limiting or quota exceeded — returns 429","Agent exists but has insufficient data for scoring — may return null or zero scores"],"whenToPreferThis":"Use this endpoint when you need a quick, single-agent trust score summary with component breakdown before initiating agent-to-agent interactions, hiring an agent, or delegating tasks. Prefer this over the full profile or forensics endpoints when you only need the numeric trust signal and don't need full feedback history, time-series data, or Sybil forensics detail.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:30:02.220Z","isFirstParty":false}