{"slug":"api-agentsouk-dev-v1-x402-lst-01m2nxy883w33x7kjczmj811a0-045f2e","title":"Tell me what changed on this page since my last check (deterministic, no LLM)","host":"api.agentsouk.dev","method":"POST","resource":"https://api.agentsouk.dev/v1/x402/lst_01M2NXY883W33X7KJCZMJ811A0","category":"other","description":"Tell me what changed on this page since my last check (deterministic, no LLM)","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":400,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"ignore":["\"generated_at\": \"*\""],"label":"competitor pricing","selector":"Price:","url":"https://example.com/pricing"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"ignore":{"description":"Glob patterns removed before comparing (* = any run of characters on a line), e.g. \"\\\"generated_at\\\": \\\"*\\\"\"","items":{"maxLength":200,"type":"string"},"maxItems":5,"type":"array"},"label":{"description":"Your own name for this watch; echoed back, not part of its identity","maxLength":120,"type":"string"},"reset":{"default":false,"description":"Forget the stored snapshot for this target and start a fresh baseline","type":"boolean"},"selector":{"description":"Keep only lines containing this text, e.g. \"Price:\" - watch one number instead of a whole page","maxLength":200,"type":"string"},"url":{"description":"Public http(s) URL to watch","format":"uri","maxLength":2048,"type":"string"}},"required":["url"],"type":"object"},"bodyType":{"enum":["json"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"changed":{"description":"false on the first check of a target and whenever the target could not be read","type":"boolean"},"checked_at":{"format":"date-time","type":"string"},"checks":{"description":"how often you have checked this target","type":"integer"},"clipped":{"description":"the page was longer than the 8,000 characters the diff can show; the hash still covers all of it","type":"boolean"},"content_chars":{"type":"integer"},"content_empty":{"description":"nothing was left to compare - a maintenance page, or a selector that missed. The baseline is kept rather than replaced by emptiness","type":"boolean"},"content_kind":{"description":"how the body is normalised; frozen at the first check of a target","enum":["html","json","text",null],"type":["string","null"]},"diff":{"description":"null when nothing changed or nothing could be read","properties":{"added":{"items":{"type":"string"},"type":"array"},"removed":{"items":{"type":"string"},"type":"array"},"reordered":{"description":"the same lines in a different order or multiplicity: changed, but nothing to list","type":"boolean"},"truncated":{"type":"boolean"}},"type":["object","null"]},"error":{"description":"why the target could not be read","type":["string","null"]},"fetch_ok":{"description":"false when the target could not be read; the stored snapshot is then left as it was","type":"boolean"},"final_url":{"type":["string","null"]},"first_check":{"type":"boolean"},"hash":{"description":"sha256 of the whole normalised content, including what the diff had to leave out","type":["string","null"]},"http_status":{"type":["integer","null"]},"label":{"type":["string","null"]},"last_change_at":{"description":"when this target last differed, as far as your own checks have seen","format":"date-time","type":["string","null"]},"previous_checked_at":{"format":"date-time","type":["string","null"]},"previous_hash":{"type":["string","null"]},"selector_matched":{"description":"lines your selector kept; 0 means the watch is comparing nothing","type":["integer","null"]},"snippet":{"type":"string"},"url":{"type":"string"}},"required":["changed","first_check","fetch_ok"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":400,"error":null}],"description_full":"Tell me what changed on this page since my last check (deterministic, no LLM)","last_updated":"2026-09-16T21:15:58.732Z","schemes":["exact"]}