{"uid":"cap_OnsiUGp_ctzk5Sb6ZqQwn","slug":"mekong-trade-intel-base-chain-state-reader-a5d00d11","name":"Mekong Trade Intel Base Chain State Reader","description":"Read live Base chain state for any address: ETH balance, latest block, contract/EOA check, ENS name. $0.002 per call. No account or API key needed.","url":"https://api.mekongtradeintel.com/chain?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","description":"0x-prefixed 40-hex-char Base address"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1xD-TlHKSmlp0SIge1kNG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reads live Base chain state for any address, returning ETH balance, latest block number, contract/EOA type, and ENS name.","exampleAgentPrompt":"What's the ETH balance and ENS name for the Base address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045, and is it a contract or a regular wallet?","exampleUseCases":[{"title":"Wallet balance check before DeFi action","prompt":"Before I bridge funds, can you check how much ETH the Base address 0xAbC123...456 currently holds and confirm it's a regular wallet, not a contract?"},{"title":"Smart contract identity verification","prompt":"Is the address 0x1234567890abcdef1234567890abcdef12345678 on Base a smart contract or an externally owned account? Also grab its ENS name if it has one."},{"title":"On-chain portfolio snapshot","prompt":"Give me the current ETH balance and latest block number from Base for address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe so I can log today's snapshot."}],"resultDescription":"Returns live Base chain data for the queried address: ETH balance (in wei or ETH), the latest block number at time of query, a flag indicating whether the address is a smart contract or an EOA (externally owned account), and the ENS name associated with the address if one exists.","failureModes":["Invalid or malformed address (not 0x-prefixed or not 40 hex chars) returns an error","Address not found on Base returns zero balance and no ENS name","Network congestion may cause delayed or stale block data","ENS resolution may return null if no name is registered","Payment failure (insufficient USDC balance) blocks the call under x402 protocol"],"whenToPreferThis":"Choose this endpoint when you need live Base chain state (balance, block, contract type, ENS) for a specific address without setting up an account or API key — ideal for lightweight, pay-per-call agent workflows on the Base L2 network. Prefer it over Ethereum mainnet RPC wrappers when your target address is on Base specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-25T12:31:29.666Z","isFirstParty":false,"canonicalSlug":"mekong-trade-intel-base-chain-state-reader-a5d00d11"}