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Free sample: /api/preflight/sample. 400 bad input; 503 not charged. Informational, not a guarantee.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"address":"0xf9623fab6780984eacac443158c0309519451afa"},"type":"http"},"output":{"example":{"address":"0xf962...1afa","approvals":{"approvals":[{"allowanceFormatted":"unlimited","risk":"high","spender":"0x1111...0a65","symbol":"USDC"}],"highRiskCount":1,"status":"ok"},"chainId":8453,"invoice":null,"risk":{"accountType":"eoa","flags":[],"riskLevel":"low"},"signed":false,"summary":{"approvalsStatus":"ok","coverageNote":"Public-data heuristics only... \"none\" never means safe.","flags":[{"code":"unlimited_approval","detail":"Unlimited USDC allowance to spender 0x1111...0a65.","level":"high","source":"approvals"}],"highRiskCount":1,"invoiceVerdict":null,"riskLevel":"low","sanctionsStatus":"clear","verdict":"stop","verdictNote":"Informational heuristic only, not a guarantee."}},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"invoice":{"description":"optional x402 PaymentRequired, raw JSON or base64","type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"address":{"type":"string"},"approvals":{"type":"object"},"invoice":{"type":["object","null"]},"risk":{"type":"object"},"signed":{"type":"boolean"},"summary":{"properties":{"coverageNote":{"type":"string"},"flags":{"items":{"type":"object"},"type":"array"},"highRiskCount":{"type":"number"}},"type":"object"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-24T21:42:39.437Z","quality":{"l30DaysTotalCalls":1,"l30DaysUniquePayers":1,"lastCalledAt":"2026-10-24T21:42:39.276Z"},"resource":"https://x402-research-iota.vercel.app/api/x402/preflight","type":"http","x402Version":2},"source":"x402_bazaar","summary":"One-call Base (8453) preflight: risk snapshot + live ERC-20 approvals + OFAC SDN screen + optional x402 invoice check (?invoice= JSON or base64). Returns risk, approvals, invoice, sanctions and summary {verdict proceed|review|stop, flags}. Free sample: /api/preflight/sample. 400 bad input; 503 not charged. Informational, not a guarantee."},"body_sha256":"a098d976e9701946886d73c260b3f77b506e81a26689e0e646ec41976533244e","prev_id":null,"leaf":"0x9b76a858b1526c2e1358ac5fef57e3ea5b32d1702fbcb2e9dc93579192bdd986","leaf_text":"{\"body\":\"a098d976e9701946886d73c260b3f77b506e81a26689e0e646ec41976533244e\",\"id\":125414,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025626166831,\"prev\":null,\"subject\":\"x402_bazaar:https://x402-research-iota.vercel.app/api/x402/preflight\",\"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":["0x9b7656b32c4f6fa257dbdf6726e876c0677d43d872862525928b5952526329f0","0x0004b44c08e0e05430af303c8d3ab148c31101b8f77f23dfc2a67a7eda1098c9","0xdd040891a17e36f02261d605c5151040fed5504f7ee163144cab893fac99b95c","0xf41c93add808688c56991127065f1062c1e74091427ba6a1dde3ea3fba3d621b","0xe772b7c7444d04162084e5a3e7e42912f9d1dd5ae2bb41cdcb639b1b5bd2a0d1","0x785d557aea326ab24b0dc4ff69e2024e4e2c9f50fff56cdb51fe44d985923331","0xcc05be857796c7ff307409ac7b4d229090fabd78bc3723d118922df288500aca","0xeed67277ec0597947e11bf61c8f3d6fec4a4196ae73ed8db61246b96871ca30f","0xb03a49015e02ec6c907f2ac497d7fd9d859357c975bc781e04d7c7cdc5cc69bb","0x7fc9c551c0bf3724729ea13bb68249f1874a045c6cfd4d9564abfe126a968bcf","0xb79ffe067e46a7abdcd59167d8556c652ce9f0f297fbf7808095f49485591c09","0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae","0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e","0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b","0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0","0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f","0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}