{"uid":"cap_Oql-wR_iNhRo7Dx8PImgW","slug":"speraxos-erc-8004-agent-feedback-3a5908b9","name":"SperaxOS ERC-8004 Agent Feedback","description":"AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.","url":"https://chat.sperax.io/api/x402/v1/erc8004/feedback?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","default":"arbitrum"},"score":{"type":"integer","maximum":127,"minimum":-128},"agentId":{"type":"string"},"comment":{"type":"string","maxLength":1000,"minLength":1},"walletAddress":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_akm6yCFcedwWQUznlG7aj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submit a scored feedback rating and comment about a specific DeFi agent on the SperaxOS platform, paid per-call with USDC via x402","exampleAgentPrompt":"Submit feedback on SperaxOS for agent 0xAbC123...def456 from my wallet 0x1234...abcd — give it a score of 85 and comment 'Accurate yield recommendations, responded quickly' on Arbitrum.","exampleUseCases":[{"title":"Rate a DeFi yield agent","prompt":"Leave feedback for SperaxOS agent 0xABC...123 from wallet 0xDEF...456 — score it 100 and say 'Best yield optimizer I've used, doubled my returns this week' on Arbitrum."},{"title":"Flag a poorly performing agent","prompt":"Submit a negative feedback score of -50 for agent 0x999...aaa on Arbitrum from my wallet 0x111...bbb with the comment 'Gave bad liquidity pool advice that caused slippage losses.'"},{"title":"Neutral mid-tier agent review","prompt":"Post feedback on Sperax for agent 0x777...ccc — my wallet is 0x888...ddd, score is 10, comment is 'Average performance, nothing exceptional but no major errors either', on Arbitrum."}],"resultDescription":"A confirmation that the feedback record has been stored on-chain or in the SperaxOS platform, associating the score and comment with the specified agent ID and wallet address.","failureModes":["Invalid wallet address format (must match 0x hex pattern) returns validation error","Score out of range (must be -128 to 127) returns 400 error","Comment too long (over 1000 chars) or empty (0 chars) returns validation error","Missing agentId returns required field error","Payment not included or insufficient USDC triggers x402 payment required response","Unsupported chain value returns error"],"whenToPreferThis":"Use this endpoint when you need to programmatically submit scored, commented feedback on a specific ERC-8004 compatible DeFi agent in the SperaxOS ecosystem. It is the right choice when you have a wallet address, agent ID, and a numeric score to record. Prefer this over manual review platforms when integrating agent quality signals into automated pipelines or building reputation systems for on-chain AI agents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T00:49:57.302Z","isFirstParty":false,"canonicalSlug":"speraxos-erc-8004-agent-feedback-3a5908b9"}