{"uid":"cap_gW_qFm2bfJqOl099gwMhO","slug":"speraxos-erc-8004-agent-count-lookup-c4fcab63","name":"SperaxOS ERC-8004 Agent Count 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/tools/erc8004/getAgentCount?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","default":"bsc-testnet","description":"Blockchain to query. Options: bsc-testnet, bsc-mainnet, ethereum, sepolia"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IqQfu646SdaM4c_meIbNW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the total number of ERC-8004 agents registered on a specified blockchain network","exampleAgentPrompt":"How many ERC-8004 agents are currently registered on BSC mainnet according to SperaxOS?","exampleUseCases":[{"title":"Monitor agent growth on BSC mainnet","prompt":"How many ERC-8004 agents are registered on BSC mainnet right now? I want to track how the on-chain agent ecosystem is growing."},{"title":"Compare agent counts across testnets","prompt":"Can you check how many ERC-8004 agents are registered on BSC testnet and Sepolia so I can compare activity between the two test networks?"},{"title":"Research on-chain agent ecosystem size","prompt":"I'm doing research on the ERC-8004 agent standard — how many agents are currently registered on Ethereum mainnet?"}],"resultDescription":"Returns the total count of ERC-8004-compliant agents registered on the queried blockchain network, as a numeric value drawn from the on-chain registry.","failureModes":["Unsupported chain name returns an error or empty result","Network congestion on the queried chain may cause delayed or failed reads","Payment of $0.02 USDC via x402 protocol required; missing or invalid payment returns 402 Payment Required","Invalid chain value (not one of: bsc-testnet, bsc-mainnet, ethereum, sepolia) results in a bad request error"],"whenToPreferThis":"Use this endpoint when you need a fast, trustless, on-chain count of ERC-8004 registered agents on a specific supported blockchain (BSC mainnet/testnet, Ethereum, or Sepolia). Prefer this over generic blockchain explorers when you want a purpose-built DeFi intelligence result without needing API key management, paying only per call with USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:43:50.364Z","isFirstParty":false,"canonicalSlug":"speraxos-erc-8004-agent-count-lookup-c4fcab63"}