{"id":71450,"recorded_at":"2026-10-26T14:38:02.169753Z","observed_at":"2026-10-26T14:38:02.169711Z","subject_kind":"source_record","subject":"x402_bazaar:https://base-token-check.fly.dev/v1/transfer-check","kind":"listing","method":"baseline/1","body":{"endpoints":[["x402","https://base-token-check.fly.dev/v1/transfer-check"]],"name":"Base Transfer Risk","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 ERC-20 for a honeypot-style transfer cost before a swap or send. Input: one token address. Output: allow, warn, or block. Block: not a contract or not an ERC-20. Warn: bytecode contains taxFee, liquidityFee, sellFee, buyFee, transferFee, isBlacklisted, or maxTxAmount. USDC warns because it contains isBlacklisted(address). A selector does not prove the fee, blacklist, or cap runs on every transfer, and this check does not simulate one.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"type":"http"},"output":{"example":{"reasons":[{"code":"blacklist_selector_present","detail":"Bytecode contains isBlacklisted(address)."}],"token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","verdict":"warn"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"properties":{"address":{"description":"ERC-20 contract address on Base to check for a transfer fee, blacklist, or max transfer size.","pattern":"^0x[0-9a-fA-F]{40}$","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":"2026-10-10T17:41:56.923Z","quality":{"l30DaysTotalCalls":4,"l30DaysUniquePayers":3,"lastCalledAt":"2026-10-10T17:41:56.782Z"},"resource":"https://base-token-check.fly.dev/v1/transfer-check","serviceName":"Base Transfer Risk","tags":["fee-on-transfer","blacklist","honeypot","tax","max-tx"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Check a Base ERC-20 for a honeypot-style transfer cost before a swap or send. Input: one token address. Output: allow, warn, or block. Block: not a contract or not an ERC-20. Warn: bytecode contains taxFee, liquidityFee, sellFee, buyFee, transferFee, isBlacklisted, or maxTxAmount. USDC warns because it contains isBlacklisted(address). A selector does not prove the fee, blacklist, or cap runs on every transfer, and this check does not simulate one."},"body_sha256":"9d75b51b697ed22749b92c5430fca8d747ac492a39713fd2fdba952007b58304","prev_id":null,"leaf":"0x34c03066a6390709ec922fb780b455c57a35b382624a48f21d7895d33a0773c2","leaf_text":"{\"body\":\"9d75b51b697ed22749b92c5430fca8d747ac492a39713fd2fdba952007b58304\",\"id\":71450,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025482169711,\"prev\":null,\"subject\":\"x402_bazaar:https://base-token-check.fly.dev/v1/transfer-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":["0x34bfc9cb8fbd5ffefb5c58a83d0bbfb0499c3707d4375a05cb60df7b1f74e84b","0x63f8873ec5a6827bf6781c1504086f7219b1471a4ab91fd316acb85a31cee48e","0x25528610f4654c0136a3ac61cbc9322e0acd75dda23194226d280499e41c8f14","0xf6be1f116a89fcbacd1f9cbdd4b146404aea4394186942f07c49997da21f0022","0xd04f268cfa8805ba861b687388a6f2abb2a62c39f263b3da73fccee57254446d","0xffcc1e7a6c78eecf32cbeb86120f717863e50228cb0437e0c65a3e892b728849","0x18484bdc1deb66bfee24b0c2ed8d3a4f5205ea751d3ddd5710cc6511cd965309","0xd641dde0122198007109ddc36ad4b56d5079a2cd10a3e4f380db6a15e62fdfec","0x3537bcc0126ddadc2e072f30c37b0f6cb1dbefbeae94bf944efdd820414ab30f","0x852ba002507b16449e45904851c68e7f0b59aa6069ac1ae74dc557389e7c7646","0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de","0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483","0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217","0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7","0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213","0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca","0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13","0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}