{"id":19378,"recorded_at":"2026-10-26T14:35:31.588312Z","observed_at":"2026-10-26T14:35:31.588268Z","subject_kind":"source_record","subject":"x402_bazaar:https://paycheck.hectichustle.workers.dev/address/check","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://paycheck.hectichustle.workers.dev/address/check"]],"name":"Kertivo Shield","owner_address":"0x509e55c4f898b43c856fb0e51048b1b7bfbc9ede","raw":{"accepts":[{"amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0x509E55c4F898B43C856Fb0E51048B1b7bFBC9eDE","scheme":"exact"}],"description":"Address-poisoning check before you send USDC on Base. Body {from, to} (or sender/recipient; chain=base, token=USDC only, others 400 not charged; optional contacts/known_addresses): scans the sender's recent Base USDC transfers for lookalikes (same first/last 4 hex) plus dust/zero-value transfers. No sender? {recipient, known_addresses} = offline contacts check; {address} alone scans its own history for poisoning signs. Returns risk low/medium/high, lookalikes, reasons, coverage.","extensions":{"bazaar":{"info":{"input":{"body":{"from":"0x9D42EbA8868CFd38A50Ba615ee0cf903F1BBeCE9","to":"0x509E55c4F898B43C856Fb0E51048B1b7bFBC9eDE"},"bodyType":"json","method":"POST","type":"http"},"output":{"example":{"chain":"base","coverage":{"complete":false,"coveragePct":38,"lowCoverage":false,"rpcCalls":47,"scannedFrom":52468176,"scannedTo":52518176,"transfersSeen":19,"windowBlocks":50000},"from":"0x9d42eba8868cfd38a50ba615ee0cf903f1bbece9","lookalikes":[],"reasons":["you have paid 'to' before and no lookalikes found"],"risk":"low","seenBefore":true,"to":"0x509e55c4f898b43c856fb0e51048b1b7bfbc9ede","token":"USDC"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"description":"Three shapes: {from, to, contacts?} scans the sender's recent Base USDC history; contacts-only {to, contacts} without from (aliases recipient/address + known_addresses/known) is offline lookalike vs contacts (no RPC); recipient-only {to} alone (alias address) scans that address's own recent USDC history for poisoning fingerprints.","properties":{"chain":{"description":"Optional. 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Any other token (e.g. USDT) returns 400 unsupported_token and is not charged.","type":"string"}},"required":["to"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"chain":{"enum":["base"],"type":"string"},"contacts":{"description":"Only present when contacts were sent","properties":{"checked":{"type":"integer"},"inContacts":{"type":"boolean"},"lookalikes":{"items":{"properties":{"contact":{"type":"string"},"prefixMatch":{"type":"integer"},"suffixMatch":{"type":"integer"}},"type":"object"},"type":"array"}},"type":"object"},"coverage":{"properties":{"complete":{"type":"boolean"},"coveragePct":{"type":"number"},"lowCoverage":{"description":"true when coveragePct < 10: almost nothing was scanned, so risk low does not mean safe (top reason explains; retry, pass contacts, or use /address/check/full)","type":"boolean"},"rpcCalls":{"type":"integer"},"scannedFrom":{"type":"integer"},"scannedTo":{"type":"integer"},"transfersSeen":{"type":"integer"},"windowBlocks":{"type":"integer"}},"type":"object"},"ignoredFields":{"description":"Request fields Kertivo Shield did not use (they did not affect the answer); only present when there were any","items":{"type":"string"},"type":"array"},"ignoredNote":{"type":"string"},"lookalikes":{"items":{"properties":{"address":{"type":"string"},"dustTransfers":{"type":"integer"},"inbound":{"type":"integer"},"lastBlock":{"type":"integer"},"outbound":{"type":"integer"},"pattern":{"enum":["dust_or_zero_value","lookalike_counterparty"],"type":"string"},"realOut":{"type":"integer"},"sampleTx":{"type":"string"}},"type":"object"},"type":"array"},"reasons":{"items":{"type":"string"},"type":"array"},"risk":{"enum":["low","medium","high"],"type":"string"},"seenBefore":{"type":"boolean"},"token":{"enum":["USDC"],"type":"string"}},"required":["risk","lookalikes","seenBefore","coverage"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-26T02:33:51.285Z","quality":{"l30DaysTotalCalls":22,"l30DaysUniquePayers":4,"lastCalledAt":"2026-10-26T02:33:50.833Z"},"resource":"https://paycheck.hectichustle.workers.dev/address/check","serviceName":"Kertivo Shield","tags":["base","usdc","security","address-poisoning","fraud"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Address-poisoning check before you send USDC on Base. Body {from, to} (or sender/recipient; chain=base, token=USDC only, others 400 not charged; optional contacts/known_addresses): scans the sender's recent Base USDC transfers for lookalikes (same first/last 4 hex) plus dust/zero-value transfers. No sender? {recipient, known_addresses} = offline contacts check; {address} alone scans its own history for poisoning signs. Returns risk low/medium/high, lookalikes, reasons, coverage."},"body_sha256":"791feff79a71b23075e4bfce3a37d34d9c4140aab110bcfe4fe3381aabaed04d","prev_id":null,"leaf":"0x7e50a187f5da7473a2cb9aef8fcbaf64c80e07a6d14188a680883d2082e7bf38","leaf_text":"{\"body\":\"791feff79a71b23075e4bfce3a37d34d9c4140aab110bcfe4fe3381aabaed04d\",\"id\":19378,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793025331588268,\"prev\":null,\"subject\":\"x402_bazaar:https://paycheck.hectichustle.workers.dev/address/check\",\"subject_kind\":\"source_record\"}","day":null,"proof":[]}