{"uid":"cap_jng_CuXo5rB_6YgY4Bq7R","slug":"speraxos-erc-8004-agent-metadata-batch-lookup-c6255590","name":"SperaxOS ERC-8004 Agent Metadata Batch 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/metadata/batch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","default":"arbitrum"},"agentIds":{"type":"array","items":{"type":"string"},"maxItems":50,"minItems":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_10ZdezxUSspWKbfBwDm6Y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches ERC-8004 on-chain metadata for a batch of DeFi agent IDs on a specified blockchain network","exampleAgentPrompt":"Can you look up the ERC-8004 on-chain metadata for these three Sperax DeFi agent IDs — 0xAbc123, 0xDef456, 0xGhi789 — on the Arbitrum network?","exampleUseCases":[{"title":"Audit a portfolio of DeFi agents","prompt":"I'm managing a dozen DeFi agents on Arbitrum. Can you pull the ERC-8004 metadata for all of them at once so I can see their on-chain profiles? Here are their IDs: 0xAgent1, 0xAgent2, 0xAgent3..."},{"title":"Verify agent registry entries before interaction","prompt":"Before my agent interacts with these DeFi bots, can you fetch their ERC-8004 metadata from SperaxOS on Arbitrum to verify their on-chain identity? IDs are 0xFoo111 and 0xBar222."},{"title":"Enrich agent dashboard with on-chain metadata","prompt":"I'm building a dashboard for our agent fleet. Can you batch-fetch the ERC-8004 metadata for agents 0xAlpha, 0xBeta, and 0xGamma on Arbitrum from SperaxOS so I can display their on-chain details?"}],"resultDescription":"Returns an array of ERC-8004 metadata records corresponding to the submitted agent IDs, including on-chain descriptors and identity fields for each agent on the specified blockchain network. Up to 50 agents can be resolved per call.","failureModes":["Invalid or non-existent agent IDs return empty or null metadata entries","Exceeding 50 agent IDs in a single request results in a validation error","Unsupported chain name causes a bad request error","Payment failure via x402 protocol results in 402 Payment Required response","Network or RPC errors for the specified chain may cause partial or failed responses"],"whenToPreferThis":"Choose this endpoint when you need to resolve ERC-8004 on-chain metadata for multiple DeFi agent IDs in a single efficient batch call on the Sperax platform, especially when you want to avoid API key management and prefer pay-per-request USDC micropayments via x402. Ideal for agent orchestration systems, dashboards, or auditing tools that need to enrich or verify agent identity data at scale on Arbitrum or supported chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:55:35.739Z","isFirstParty":false,"canonicalSlug":"speraxos-erc-8004-agent-metadata-batch-lookup-c6255590"}