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Never charged for errors: we settle the payment only after a successful answer.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","chain":"base"},"type":"http"},"output":{"example":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","bytecode_size_bytes":1852,"chain":"base","erc20":{"decimals":6,"name":"USD Coin","symbol":"USDC","total_supply":"4404885742.127613"},"is_contract":true,"proxy":{"implementation":"0x2ce6311ddae708829bc0784c967b7d77d19fd779","is_proxy":true,"standard":"OpenZeppelin legacy (zos)"},"risk_flags":[{"detail":"An implementation or beacon storage slot is set: the logic can be changed by its admin.","flag":"upgradeable_proxy"}],"selectors_found":["mint(address,uint256)","pause()"]},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"address":{"description":"Token contract address.","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"chain":{"description":"Chain (default base).","enum":["base","ethereum"],"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"}},"sign-in-with-x":{"info":{"domain":"rooms.aurmada.com","expirationTime":"2026-10-25T18:48:56.770Z","issuedAt":"2026-10-25T18:43:56.770Z","nonce":"59e28599ef2a2319b0a0385c42e93d08","resources":["https://rooms.aurmada.com/x402/v1/onchain/token"],"statement":"Sign in with your wallet: your first call to each Rooms lookup is free.","uri":"https://rooms.aurmada.com/x402/v1/onchain/token","version":"1"},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"address":{"type":"string"},"chainId":{"type":"string"},"domain":{"type":"string"},"expirationTime":{"format":"date-time","type":"string"},"issuedAt":{"format":"date-time","type":"string"},"nonce":{"type":"string"},"notBefore":{"format":"date-time","type":"string"},"requestId":{"type":"string"},"resources":{"items":{"format":"uri","type":"string"},"type":"array"},"signature":{"type":"string"},"statement":{"type":"string"},"type":{"type":"string"},"uri":{"format":"uri","type":"string"},"version":{"type":"string"}},"required":["domain","address","uri","version","chainId","type","nonce","issuedAt","signature"],"type":"object"},"supportedChains":[{"chainId":"eip155:8453","type":"eip191"}]}},"lastUpdated":"2026-10-25T18:43:56.791Z","quality":{"l30DaysTotalCalls":5,"l30DaysUniquePayers":3,"lastCalledAt":"2026-10-25T18:43:56.665Z"},"resource":"https://rooms.aurmada.com/x402/v1/onchain/token","serviceName":"Rooms by Aurmada","tags":["onchain","erc20","token","token-info","token-risk"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Use it before you accept, swap or list an ERC-20 token you don't know. 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