{"uid":"cap_stxsP_rsKXDR2LEBQySdW","slug":"speraxos-erc-8004-agent-info-api-d23a055b","name":"SperaxOS ERC-8004 Agent Info API","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/agents/%7BagentId%7D?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"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_SIbqAvcD3PuPA9Eu267gP","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":"Retrieves ERC-8004 agent metadata and DeFi intelligence profile for a given on-chain agent ID on SperaxOS","exampleAgentPrompt":"Can you pull up the ERC-8004 agent profile for agent ID 0xabc123 on SperaxOS? Pay for it with USDC on Base via x402.","exampleUseCases":[{"title":"Inspect a DeFi agent's capabilities","prompt":"Look up the agent profile for SperaxOS agent ID 0xd4f9...e812 — I want to see what properties and capabilities it has registered on-chain."},{"title":"Verify agent identity before integration","prompt":"Before I integrate with this on-chain agent, can you fetch its ERC-8004 metadata from SperaxOS for agent ID 0x7c3a...1f55 so I can confirm it's the right one?"},{"title":"Audit agent metadata for compliance","prompt":"Pull the full agent metadata from SperaxOS for agent 0x2b8e...9d01 — I need to review its registered properties as part of a DeFi compliance check."}],"resultDescription":"Returns the ERC-8004 agent metadata object for the specified agentId, including on-chain registered properties, agent profile fields, and DeFi intelligence attributes associated with the agent on the SperaxOS platform. Costs $0.001 USDC per call via the x402 payment protocol on Base.","failureModes":["Agent ID not found — returns 404 if the agentId does not correspond to a registered ERC-8004 agent","Payment failure — x402 payment not accepted or insufficient USDC balance results in 402 response","Invalid agentId format — malformed or missing agentId path parameter returns 400","Network or RPC issues on Base — may cause 503 or timeout responses","Rate limiting or node congestion — may delay or reject requests during high traffic"],"whenToPreferThis":"Use this endpoint when you need to look up on-chain agent metadata or DeFi intelligence profiles for a specific ERC-8004 agent registered on SperaxOS, and you want to pay per-request with USDC on Base rather than managing an API key subscription. Prefer this over generic blockchain RPC calls when you need structured, AI-enriched agent profile data rather than raw contract state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:44:42.460Z","isFirstParty":false,"canonicalSlug":"speraxos-erc-8004-agent-info-api-d23a055b"}