{"id":17029,"recorded_at":"2026-10-26T14:35:25.448082Z","observed_at":"2026-10-26T14:35:25.448028Z","subject_kind":"source_record","subject":"x402_bazaar:https://preflight.kagurazaka.dev/v1/preflight","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://preflight.kagurazaka.dev/v1/preflight"]],"name":"x402 Preflight","owner_address":"0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8","raw":{"accepts":[{"amount":"2000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8","scheme":"exact"}],"description":"Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with similar listings, with cheaper well-used alternatives. Returns a verdict (ok, caution, avoid) with the reasons.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"max_price_usd":0.05,"method":"GET","url":"https://api.example/v1/search"},"type":"http"},"output":{"example":{"bazaar":{"calls_30d":3,"last_called_at":"2026-10-20T08:00:00Z","listed":true,"payers_30d":1},"history":{"last_failure":null,"last_ok_at":"2026-10-25T00:00:00Z","median_ms":210,"monitored_since":"2026-10-01T00:00:00Z","price_changes":[],"probes":120,"uptime":0.99},"market":{"alternatives":[{"payers_30d":40,"price_usd":0.002,"resource":"https://other.example/search","uptime_30d":1}],"median_price_usd":0.005,"query":"Web search for agents","similar_listings":20},"now":{"method":"GET","ms":180,"networks":["eip155:8453"],"pay_to":"0x...","price_usd":0.01,"status":402,"x402_version":2},"reasons":["Only 1 distinct buyer paid it in the last 30 days."],"url":"https://api.example/v1/search","verdict":"caution"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"max_price_usd":{"description":"the most you are willing to pay per call; a higher price gives the verdict avoid","type":"number"},"method":{"description":"method you will call it with (default GET)","enum":["GET","POST"],"type":"string"},"url":{"description":"https URL of the x402 endpoint you are about to pay","maxLength":2048,"type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"bazaar":{"description":"the CDP Bazaar listing: distinct payers and calls in 30 days","type":"object"},"history":{"description":"our monitor's 30-day record: probes, uptime (0-1), median latency, last failure, price changes; null when not monitored","type":"object"},"market":{"description":"median price of similar listings and cheaper alternatives with payers and uptime","type":"object"},"now":{"description":"the live probe: method, status, latency, protocol version, price, networks, payTo","type":"object"},"reasons":{"description":"why the verdict is not ok; empty when it is","type":"array"},"url":{"type":"string"},"verdict":{"enum":["ok","caution","avoid"],"type":"string"}},"required":["url","verdict","reasons"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-26T12:00:52.726Z","quality":{"l30DaysTotalCalls":4,"l30DaysUniquePayers":3,"lastCalledAt":"2026-10-26T12:00:52.348Z"},"resource":"https://preflight.kagurazaka.dev/v1/preflight","serviceName":"x402 Preflight","tags":["x402","trust","due-diligence","buyer-tools","uptime"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Check an x402 seller before you pay it. Probes the endpoint now, checks that its payment can actually succeed (token EIP-712 domain, payTo), and adds its 30-day uptime from our monitor of paid Bazaar listings, how many distinct buyers paid it, and how its price compares with similar listings, with cheaper well-used alternatives. Returns a verdict (ok, caution, avoid) with the reasons."},"body_sha256":"17b5f0d56b0bb74e2d244c39fe285263ea8348e4070eb87cef1ea6758a989b92","prev_id":null,"leaf":"0xf164f28e454e1f96aced0edfba2408be7201937e052ca140d8fdc99947de9465","leaf_text":"{\"body\":\"17b5f0d56b0bb74e2d244c39fe285263ea8348e4070eb87cef1ea6758a989b92\",\"id\":17029,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793025325448028,\"prev\":null,\"subject\":\"x402_bazaar:https://preflight.kagurazaka.dev/v1/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":["0xf1657b376e2ffb3c5ea631eeb804849c25b331d5195facda8e86013629278e2c","0xe7ae803a5062ebbee5b0f218322fd9cdb8d06e85aedf536944bf7699ad53ff99","0xe6e1468a2b1d6a0b8f5e444ccb4bf04c3ae35c605ce346e6862c59f88741cb6c","0x05ffe1343f1eac19de252690c894d8f50ca550f818bb6721bacf80b3cf749451","0xdb6e84272a9a6086317f1c9fda4a7748405beeb13cd72da61a021c690168e477","0x4863c7362cbc427d0b7b436a19ed4e1ba4d8282821eb7e264e5f63abf58cd8f1","0x02b3eca943cbd600a10a1f0442313c1304ea5d75aa6cc280c6405d058558c522","0x6eb82cd8774fa76b4f14a3cb225ddf4caf045dc5e7abd1fd27b44c21342fe82d","0x46613c0a42d561a7a07ec88601367eb9190899add6946bf0d246502a841548b6","0x1374d43b83adaf6956b75a4ffa6be9b5d88f279b0e1f9aa9cb997253f28541e1","0x3fbb508bb3373d829808c4b964e49bf52f1a8877acba747d2b92b5eac81e6259","0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209","0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0","0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d","0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a","0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678","0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc"]}