{"uid":"cap_NB85J5u-Cl2tKgx8KeU6Q","slug":"8k4-protocol-agent-validation-history-6a9adb23","name":"8k4 Protocol — Agent Validation History","description":"Get validator feedback and validation history for an agent","url":"https://api.8k4protocol.com/agents/%7Bagent_id%7D/validations","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":[{"rating":4,"comment":"Reliable execution","feedback_type":1,"validator_wallet":"0xabc..."}]},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_qHkdds16DyfQHkLyQDH5U","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":"Retrieves validator feedback and validation history for a specific ERC-8004 agent","exampleAgentPrompt":"Pull up the full validation history for agent 0xabc123 on 8k4 Protocol — I want to see all the validator ratings, comments, and feedback types that have been submitted for them.","exampleUseCases":null,"resultDescription":"Returns an array of validation records for the specified agent, each containing a numeric rating, a text comment from the validator, a feedback_type integer, and the validator's wallet address.","failureModes":["agent_id not found — returns empty array or 404","invalid agent_id format — returns 400 validation error","no validation history exists for the agent — returns empty array","network or payment failure — transaction not processed, no data returned","rate limiting exceeded — returns 429"],"whenToPreferThis":"Use this endpoint when you need the raw validator feedback log and history for a specific agent, rather than an aggregated trust score or explanation. Best for auditing individual validator opinions, reviewing comment-level detail, or building a UI that surfaces who validated an agent and what they said.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:47:46.392Z","isFirstParty":false}