{"id":121860,"recorded_at":"2026-10-26T14:40:20.586748Z","observed_at":"2026-10-26T14:40:20.586699Z","subject_kind":"source_record","subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/klaviyo","kind":"listing","method":"baseline/1","body":{"endpoints":[["x402","https://stack.halowerk.com/stack/articles/klaviyo"]],"name":"Tech Detect","owner_address":"0x2880edfff13100677bf97a3cbdf3bc34771c4e5e","raw":{"accepts":[{"amount":"5000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"asset":"USDC","assetTransferMethod":"eip3009","eip712Domain":{"chainId":8453,"name":"USD Coin","verifyingContract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","version":"2"},"name":"USD Coin","network_name":"Base Mainnet","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","scheme":"exact"}],"description":"Purpose-bound Klaviyo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_klaviyo_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.","extensions":{"bazaar":{"info":{"input":{"body":{"url":"https://example.com/"},"bodyType":"json","method":"POST","type":"http"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"previous":{"additionalProperties":false,"properties":{"observed_at":{"maxLength":40,"type":"string"},"technologies":{"items":{"additionalProperties":false,"properties":{"category":{"maxLength":80,"type":"string"},"name":{"maxLength":150,"type":"string"},"version":{"maxLength":80,"type":["string","null"]}},"required":["name","category","version"],"type":"object"},"maxItems":150,"type":"array"}},"required":["observed_at","technologies"],"type":"object"},"url":{"maxLength":2048,"type":"string"}},"required":["url"],"title":"Klaviyo fingerprint monitor input","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"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-14T16:24:01.09Z","quality":{"l30DaysTotalCalls":3,"l30DaysUniquePayers":2,"lastCalledAt":"2026-10-14T16:24:00.884Z"},"resource":"https://stack.halowerk.com/stack/articles/klaviyo","serviceName":"Tech Detect","tags":["x402","halowerk","stack_klaviyo"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Purpose-bound Klaviyo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_klaviyo_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout."},"body_sha256":"17001da4bed852d72e24384c65b642c89e5b38c79a488ca90e6a717e79e8615d","prev_id":null,"leaf":"0x5763ad449d37948dafa5f1de00bdaa0a038a880177b3ec8f5e17d0b66a9d1601","leaf_text":"{\"body\":\"17001da4bed852d72e24384c65b642c89e5b38c79a488ca90e6a717e79e8615d\",\"id\":121860,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025620586699,\"prev\":null,\"subject\":\"x402_bazaar:https://stack.halowerk.com/stack/articles/klaviyo\",\"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":["0x5763be43665d1da20ea9d3b4c1f365e309a4c73709b83374a245fccf448275e7","0xed49fcbe71fd6190e01e6241f350569d464860ced8b07d4f13153e6b8a01a273","0x4ba513bcf5472bdf368f302fb7a97034d9baf2ea9bf6103988086a10220e3392","0x22627225626dd246f8b4d5367f4291f218843f5e0cce7e88679079f64d66f87f","0xb48e6a2b6d2ed686e4166fe3c6183a9e51712bc3d059cd3144dd392318f60eb2","0x630df2670a217a980e53ee7bde8078287e06a666446913fb8c2309fff1b42b3b","0xba56518cc4746cd5e59896ef17e8ef8e90d7a6cfee1dd8bde05c65acc01e44d1","0xf5de2d29891e294bf47d4879510a6164aefdc244f880a2de8fb81c9b4e3649a0","0x591e4deb05147caea4499da067f232e4919017776746250a42ca59c92cf67624","0xa8f2905fb93f7b837ebd4cffb4ea870801aecd1c51ad69f073af01c8310ee1b5","0x7c6e7d8ec8a6bb5540ab8e4e885e6c646f71198fce1b0e917447538a70811486","0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8","0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056","0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829","0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d","0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0","0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d","0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}