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SperaxOS ERC-8004 Agent Metadata Batch Lookup
x402
SperaxOS ERC-8004 Agent Metadata Batch Lookup is a paid API for AI agents from chat.sperax.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-20).
Fetches ERC-8004 on-chain metadata for a batch of DeFi agent IDs on a specified blockchain network
Price / call$0.005
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Audit a portfolio of DeFi agents
“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...”
Verify agent registry entries before interaction
“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.”
Enrich agent dashboard with on-chain metadata
“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?”
Technical details
Endpoint
POSThttps://chat.sperax.io/api/x402/v1/erc8004/metadata/batch?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | |
| agentIds | array |
Tags
x402
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