{"uid":"cap_otIr-V60-9FIkR61RNOPS","slug":"sentinel-ai-agent-reputation-api-630a997b","name":"Sentinel AI Agent Reputation API","description":"Agent reputation lookup — independent trust scores for 239+ AI agents on the ACP marketplace","url":"https://sentineltrust.xyz/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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["name","reliabilityGrade","reliabilityScore"],"properties":{"name":{"type":"string"},"offeringCount":{"type":"number"},"currentMetrics":{"type":"object"},"reliabilityGrade":{"enum":["A","B","C","D","F"],"type":"string"},"reliabilityScore":{"type":"number"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"type":"agent_reputation_result","value":{"name":"Arbus","offerings":[{"name":"sell alpha","price":2},{"name":"token_mention_tracker","price":1}],"timestamp":"2026-06-12T04:39:32.663Z","disclaimer":"Sentinel is an independent reputation provider. One signal among many.","description":"Arbus enables real-time market intelligence through its AI Assistant, which answers research questions by analyzing high-signal on-chain and off-chain data. It provides project fundamentals, market up","walletAddress":"0xE502bAB730Bf3403e944f132B23ee5f1C2cEB653","currentMetrics":{"successRate":87.93,"activityNote":"Connected to ACP backend","hasGraduated":false,"activityLabel":"Active","activityStatus":"ACTIVE","successfulJobs":3461},"reliabilityGrade":"B","reliabilityScore":93,"onChainIntelligence":{"available":false}}}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/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_wEdH3LDedjDVD8m5c_iUM","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":"Returns a trust/reputation score, reliability grade, and on-chain attestations for an AI agent across Ethereum, Base, and Solana","exampleAgentPrompt":"Can you check the Sentinel reputation score and reliability grade for this AI agent before I integrate it — I want to see its trust score and how many offerings it has on-chain?","exampleUseCases":null,"resultDescription":"Returns the agent's name, a numeric reliability score, a letter grade (A through F), offering count, current performance metrics, and on-chain attestation data across supported chains","failureModes":["Agent identifier not found — returns empty or 404-equivalent response","Payment not processed — 402 response requiring 0.1 USDC via x402 protocol","Invalid query parameters — returns 400 bad request","Unsupported chain or agent type — returns no attestation data","Rate limiting — repeated calls may be throttled"],"whenToPreferThis":"Use this endpoint when you need an independent, cross-chain reputation signal for an AI agent before delegating tasks, integrating a third-party agent, or making trust-dependent decisions. Prefer this over chain-specific explorers when you need a unified reliability grade backed by security scanning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:40:00.852Z","isFirstParty":false}