{"uid":"cap_GCY4hSBB4wCtqP2pzTfWV","slug":"speraxos-erc-8004-agent-registry-lookup-4897af0d","name":"SperaxOS ERC-8004 Agent Registry Lookup","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?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"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_v6fHKplfu23xo_6Jvs9mC","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":"Lists or retrieves ERC-8004 compliant DeFi agents registered on the SperaxOS platform, payable per-request with USDC via x402.","exampleAgentPrompt":"Show me all the AI-powered DeFi agents registered on SperaxOS that follow the ERC-8004 standard — I want to browse what's available on the platform.","exampleUseCases":[{"title":"Discover available DeFi automation agents","prompt":"What ERC-8004 agents are currently listed on SperaxOS? I want to see all the DeFi agents I could potentially interact with on the platform."},{"title":"Find agents for a multi-agent workflow","prompt":"I'm building a DeFi automation pipeline — can you pull the full list of registered ERC-8004 agents on SperaxOS so I can pick which ones to chain together?"},{"title":"Audit agent registry for compliance","prompt":"Fetch all agents in the SperaxOS ERC-8004 registry so I can audit which agent addresses are active and what capabilities they expose."}],"resultDescription":"Returns a list of ERC-8004 agent records from the SperaxOS registry, including agent addresses, metadata, and capability descriptors for DeFi agents deployed on Base. Each record follows the ERC-8004 standard for on-chain agent identity.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 with payment requirements","Malformed query parameters — returns 400 with validation error","Registry temporarily unavailable — returns 503","No agents match the provided filter criteria — returns empty list with 200","Network congestion on Base causing slow settlement — delayed response"],"whenToPreferThis":"Choose this endpoint when you need to enumerate or discover AI agent identities registered under the ERC-8004 standard on the SperaxOS platform specifically. Prefer this over generic blockchain indexers when you need SperaxOS-curated agent metadata, or when you want pay-per-request access without API key registration using USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:38:02.330Z","isFirstParty":false,"canonicalSlug":"speraxos-erc-8004-agent-registry-lookup-4897af0d"}