{"id":71448,"recorded_at":"2026-10-26T14:38:02.167712Z","observed_at":"2026-10-26T14:38:02.167639Z","subject_kind":"source_record","subject":"x402_bazaar:https://base-token-check.fly.dev/v1/counterparty-check","kind":"listing","method":"baseline/1","body":{"endpoints":[["x402","https://base-token-check.fly.dev/v1/counterparty-check"]],"name":"Base Payee Safety","owner_address":"0x540c2aa2526c9c8c2fb4632f0fed668c36424cd5","raw":{"accepts":[{"amount":"10000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0x540c2aA2526C9c8c2fb4632f0fED668C36424Cd5","scheme":"exact"}],"description":"Check a Base address before an agent pays or approves it. Input: one address. Output: allow or warn. Reports wallet or contract, whether the wallet has sent a transaction, whether a contract already had code 7 days ago, and whether it is a proxy (EIP-1967, EIP-1167, or implementation()). Warns on contract_is_new, proxy, or no_outgoing_transactions. Wallet age is unknown. A deleted contract looks like a wallet. Not proof of theft.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"address":"0x540c2aA2526C9c8c2fb4632f0fED668C36424Cd5"},"type":"http"},"output":{"example":{"address":"0x540c2aA2526C9c8c2fb4632f0fED668C36424Cd5","kind":"wallet","reasons":[{"code":"no_outgoing_transactions","detail":"This wallet has not sent a Base transaction."}],"verdict":"warn"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"properties":{"address":{"description":"Wallet or contract on Base to check before paying or approving it.","pattern":"^0x[0-9a-fA-F]{40}$","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":"2026-10-10T18:02:10.182Z","quality":{"l30DaysTotalCalls":3,"l30DaysUniquePayers":2,"lastCalledAt":"2026-10-10T18:02:10.043Z"},"resource":"https://base-token-check.fly.dev/v1/counterparty-check","serviceName":"Base Payee Safety","tags":["payee","wallet","proxy","new-contract","approval"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Check a Base address before an agent pays or approves it. Input: one address. Output: allow or warn. Reports wallet or contract, whether the wallet has sent a transaction, whether a contract already had code 7 days ago, and whether it is a proxy (EIP-1967, EIP-1167, or implementation()). Warns on contract_is_new, proxy, or no_outgoing_transactions. Wallet age is unknown. A deleted contract looks like a wallet. Not proof of theft."},"body_sha256":"861523dbab39e76500ea7608cc5e3b904312208ce8baca6f95bd928d9ca2819a","prev_id":null,"leaf":"0x085377dbb66024771ee42b079aca231a0c62b42b0752e3857f2269fb88132ba8","leaf_text":"{\"body\":\"861523dbab39e76500ea7608cc5e3b904312208ce8baca6f95bd928d9ca2819a\",\"id\":71448,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025482167639,\"prev\":null,\"subject\":\"x402_bazaar:https://base-token-check.fly.dev/v1/counterparty-check\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0x08533732e831a6d5ef3eb91221b285f972b32cecdd81bf1282fd1310a959d5e1","0x928b24fe8081e4d7adeb1c20799cc6f413825d5ae22225fd8b62af2b0aa64342","0xafd47d89a57b126d39e9d9ecaf97baf30d0acfb3996c8b66c6801e573d9fe0c9","0x81e674b62a65985a9b88e4c5c11969df4a1006ddd80d38f22dc2117d91cfa479","0x2610a4ce0a73c1e6167e31dd8a2705ac0d40f0d961581efd21d5ac3927aff53c","0x55b0ba4d111220c15ff4eecd685bdaa94b49833ba16da12662785f75b3411ea3","0x21e777095031621614ff951106104dac5abd4aba792520cfb9f4c21138ec8abc","0x0d895cb495363a3f47489de298f03decf5169331a66f1887d987202f166ba681","0x17487bdd8a24c59ee9743f1f5e4fe998668e6e05e30a4719999b9bec35cb8955","0x8c7a98ae2cb4ce9806641729f82b9b19104c8b000de3727bbd7eb046927d1d21","0x3585060104222ad1aae3396450719e555d4d013fa2b3a7b43777a1722ca9ce22","0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d","0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec","0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b","0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39","0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e","0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13","0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}