{"uid":"cap_Gcfj_rzig-VI74ZUqIoPY","slug":"agent-preflight-change-check-c889cf56","name":"Agent Preflight — Change Check","description":"Paid URL analysis, CAPTCHA and login detection, API discovery, product intelligence, change monitoring, and batch preflight for AI agents and agent swarms.","url":"https://preflight.lorensaisolutions.com/v1/change-check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"previousSnapshot":{"type":"string"}}},"responseSchema":{"type":"json","example":{"changed":true,"changes":[{"after":"44.00","field":"priceDetected","before":"49.00"}],"recommendedAction":"notify_user"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p1qEH1BdBI4e96FUOWkd5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares a previous snapshot of a URL or page against its current state to detect changes and recommend actions for AI agents.","exampleAgentPrompt":"Check if anything has changed on that product page since last time — here's the previous snapshot I saved: '<previousSnapshot content>' — and tell me what changed and whether I should notify the user.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a boolean 'changed' field, an array of 'changes' each describing the field name, before and after values, and a 'recommendedAction' string (e.g. 'notify_user') advising the agent on next steps.","failureModes":["Missing or malformed previousSnapshot returns a validation error","Snapshot too large or unparseable may cause a processing error","Network timeout if the current page is slow to load","No changes detected returns changed: false with an empty changes array","Invalid URL in snapshot may result in a fetch failure"],"whenToPreferThis":"Use this endpoint when an AI agent needs to determine whether a previously captured page or data snapshot has changed over time, especially for price monitoring, content tracking, or e-commerce intelligence workflows. Prefer this over generic scraping endpoints when you already have a baseline snapshot and need field-level diff output with an actionable recommendation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:43:29.628Z","isFirstParty":false}