{"id":1039622,"recorded_at":"2026-10-29T18:27:31.214927Z","observed_at":"2026-10-29T18:27:31.214858Z","subject_kind":"source_record","subject":"x402_bazaar:https://api.fresh402.com/v1/check","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://api.fresh402.com/v1/check"]],"name":"Fresh402 Web Intelligence","owner_address":"0xfac492a8d7843c9afcca6a1691bccb5425ab14f3","raw":{"accepts":[{"amount":"5000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0xFAC492A8D7843C9aFCCa6A1691BCCB5425ab14F3","scheme":"exact"}],"description":"Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. 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Optional previous_hash overrides the reference hash; max_age_seconds controls cache reuse and include_diff controls text-diff output.","examples":[{"include_diff":true,"max_age_seconds":0,"selector":"main","url":"https://example.com/docs"}],"oneOf":[{"required":["url"]},{"required":["watch_id"]}],"properties":{"html_attributes":{"description":"Optional HTML-only watch rule: up to4 of href,title,alt,aria-label; default[] retains existing text-only normalization. Distinct names are sorted; nonempty rules create a separate version1 watch/baseline. Records bounded meaningful attributes within the saved selector or filtered page, including same-text link destination changes. Cannot be supplied with watch_id, even[]. Unsafe hrefs are hashed, never fetched. Limits:200 elements,2048 characters/value,32768 evidence bytes; excess fails, never clips silently.","items":{"description":"One explicitly observed HTML attribute: href (a/area only),title,alt or aria-label. No class/style/event attributes; links are inert evidence and never fetched.","enum":["alt","aria-label","href","title"],"type":"string"},"maxItems":4,"type":"array"},"ignore_json_paths":{"description":"Optional JSON-only exclusions, up to 20 paths of 1-256 characters starting with '/'; '~0'/'~1' escapes and '*' segments are supported. Example: ['/updated_at']. Accepted only with url; default []. With watch_id, omit entirely (including []): saved paths are reused.","items":{"description":"JSON Pointer-style path, 1-256 characters, starting with '/'. Decode '~0' as '~' and '~1' as '/'; '*' matches all object keys or array elements. Example: '/items/*/updated_at'.","maxLength":256,"minLength":1,"pattern":"^\\/","type":"string"},"maxItems":20,"type":"array"},"ignore_selectors":{"description":"Optional HTML-only exclusion array, up to 20 supported CSS selectors of 1-256 characters each, e.g. ['.timestamp']. Accepted only with url; default []. With watch_id, omit the field entirely (including []): saved exclusions are reused.","items":{"description":"HTML element(s) to remove before normalization: a supported CSS selector, 1-256 characters, e.g. '.timestamp' or 'nav'.","maxLength":256,"minLength":1,"type":"string"},"maxItems":20,"type":"array"},"include_diff":{"description":"Optional boolean; runtime default: true. Request a compact deterministic text diff when content changed and compatible prior text is retained. False omits the diff; true cannot recover unavailable old content and does not enable Smart Diff's structural analysis.","type":"boolean"},"max_age_seconds":{"description":"Optional integer cache age in seconds, 0-86400; runtime default: 0. A positive value permits reuse of a sufficiently recent watch result without fetching. Zero contacts the source (conditional HTTP may return 304). Cached Checks still require payment; this does not schedule background polling.","maximum":86400,"minimum":0,"type":"integer"},"previous_hash":{"description":"Optional previous Fresh402 content hash: exactly 64 hexadecimal characters, case-insensitive. Overrides comparison with the watch's current stored hash. Omit to use that stored hash; a new URL watch without a prior hash returns changed:null. Hash comparison does not require retained old text, but a text diff does; a hash cannot reconstruct missing content.","pattern":"^[a-fA-F0-9]{64}$","type":"string"},"selector":{"description":"Optional HTML CSS scope, 1-256 characters, e.g. 'main'; accepted only with url. Omit for the page after built-in noise removal. No match returns 422; not supported for JSON/plain text. With watch_id, omit this field: the saved selector is reused.","maxLength":256,"minLength":1,"type":"string"},"url":{"description":"Supply exactly one of url or watch_id. URL must be absolute public HTTPS on port 443, at most 4096 characters, with no credentials/private targets, e.g. 'https://example.com/docs'. Fresh402's own service URLs, including its discovery /openapi.json, cannot be targets; choose an external public document. With url, optional content rules identify the watch; an existing watch is reused or a new one is created by this paid Check. Separate registration is not required. No JavaScript rendering.","format":"uri","maxLength":4096,"pattern":"^[Hh][Tt][Tt][Pp][Ss]://","type":"string"},"watch_id":{"description":"Supply exactly one of watch_id or url. An existing ID returned by fresh402_register (free), POST /v1/register, or a URL-based Check: 'w_' followed by 32 lowercase hexadecimal characters. Reuses that watch's stored URL and rules. When supplied, omit selector, ignore_selectors and ignore_json_paths entirely, even empty arrays. Do not invent an ID.","pattern":"^w_[a-f0-9]{32}$","type":"string"}},"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":{"cache_status":{"type":"string"},"cached":{"type":"boolean"},"changed":{"type":["boolean","null"]},"checked_at":{"type":"string"},"comparison_source":{"type":"string"},"content_kind":{"type":"string"},"diff":{"properties":{"added_excerpt":{"type":"string"},"available":{"type":"boolean"},"change_ratio":{"type":"number"},"changed":{"type":"boolean"},"content_truncated":{"type":"boolean"},"excerpt_truncated":{"description":"True when bounded contextual added/removed excerpts were clipped; independent of retained snapshot completeness.","type":"boolean"},"reason":{"type":"string"},"removed_excerpt":{"type":"string"}},"type":"object"},"final_url":{"type":"string"},"hash":{"type":"string"},"html_attribute_rules_version":{"const":1},"html_attributes":{"items":{"enum":["href","title","alt","aria-label"]},"type":"array"},"network_fetched":{"type":"boolean"},"noise_detected":{"type":"boolean"},"normalizer_version":{"type":"integer"},"persistence_error":{"type":"string"},"previous_hash":{"type":["string","null"]},"raw_changed":{"type":["boolean","null"]},"snapshot_saved":{"type":"boolean"},"snapshot_truncated":{"type":"boolean"},"url":{"type":"string"},"watch_id":{"type":"string"}},"required":["watch_id","hash","changed","content_kind"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-29T07:52:14.678Z","quality":{"l30DaysTotalCalls":1,"l30DaysUniquePayers":1,"lastCalledAt":"2026-10-29T07:52:14.165Z"},"resource":"https://api.fresh402.com/v1/check","serviceName":"Fresh402 Web Intelligence","type":"http","x402Version":2},"source":"x402_bazaar","summary":"Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits."},"body_sha256":"9f94a9bcf8f59e3e1749b4f93ab6190da73d05acad1ae31313cc818455bd26ab","prev_id":null,"leaf":"0xf9b5d118cbedc176105f393b51e69490ef6bfa4a66d2d4c868919525a90d4bc4","leaf_text":"{\"body\":\"9f94a9bcf8f59e3e1749b4f93ab6190da73d05acad1ae31313cc818455bd26ab\",\"id\":1039622,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793298451214858,\"prev\":null,\"subject\":\"x402_bazaar:https://api.fresh402.com/v1/check\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-10-29","leaves":242798,"root":"0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c","chained":"0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6","anchor_chain":"eip155:5042002","anchor_tx":"0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1","anchor_block":69753317},"proof":["0xf9b5d6d353777908d4de524996a26f258f2bbbca7b7d08a307a4c09ad92b1586","0xe4ab1e80f0fdbaf43dbbe58db024b32b3ea7afb6cf879cead40bb8c3d28ae46b","0x8a005786359e1c1890832786c439b230611c6c01018cbc9d10d606f8b82b08d2","0x6d8c91137c64f75600a1967b3900f9884f3127166bf1d7c658a7ce5892cad20f","0xab2051bf94c836fe615475772e4368c905d5cd21054df266b27063d3e9f035db","0x9ee3c570697a6f7ac558e319c8332be3a74ea36f0b3d6d19b49a34abbd40dc09","0x4fd1b6f022a7fa3980b57090a3a6db091b8e5098e8abd33e257b033844119d2e","0xc89a20f0fa2f6d4ffc97dbce6f26bf55e834094c22683777d55da064600c7c75","0x48eb8edaef072e6aecd8130d2109d6f3ddc73615448aa720fb0905271c255050","0x31cc2ca2974597a54133fa581b2cc7ed7cab3b259fa9f231d3dded23df8fcc9b","0x7f23bfed1fdda31afa76b1c22ea7bed6e02d7596a82c39dfcea1212c92144f45","0xf082b147a7521613fbe9272eab89fe351bb2d36c32cae2135effcb786b6dc16c","0xa692280fe21039882d68ea89ab3cede099743aeaa4bda6812798278201af19f0","0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f","0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a","0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02","0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785"]}