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Read live from public RPC. Use before quoting, swapping, listing or paying with a token.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","chain":"base"},"type":"http"},"output":{"example":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","chain":"base","chain_id":8453,"decimals":6,"is_contract":true,"name":"USD Coin","owner":"0x3ABd6f64A422225E61E435baE41db12096106df7","proxy":{"admin":"0x4fc7850364958d97B4d3f5A08f79db2493f8cA44","implementation":"0x2Ce6311ddAE708829bc0784C967b7d77D19FD779","is_proxy":true,"type":"zeppelinos (legacy unstructured storage)"},"standard":"ERC20","symbol":"USDC","total_supply":"4299464528.64453"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"Token contract address (0x...)","type":"string"},"chain":{"description":"Chain, default base","enum":["base","ethereum","optimism","arbitrum","polygon"],"type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-27T04:43:28.788Z","quality":{"l30DaysTotalCalls":3,"l30DaysUniquePayers":2,"lastCalledAt":"2026-10-27T04:43:28.629Z"},"resource":"https://agents.crowdspark.me/v1/chain/token","serviceName":"Agent Tools","type":"http","x402Version":2},"source":"x402_bazaar","summary":"Token contract inspector for Base, Ethereum, Optimism, Arbitrum and Polygon: is it a contract, ERC20/ERC721/ERC1155 detection, name, symbol, decimals, total supply (raw and formatted), owner, and upgradeable-proxy check (EIP-1967, beacon, EIP-1167 clone, legacy zeppelinos) with implementation and admin addresses. Read live from public RPC. 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