{"uid":"cap_f2ExAgdX90xHjyoLMJFA5","slug":"web-compare-side-by-side-url-comparison-4749a1e8","name":"Web Compare: Side-by-Side URL Comparison","description":"Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.","url":"https://cr4vvol.vercel.app/api/compare","method":"POST","headers":{},"bodySchema":{"type":"object","required":["urlA","urlB"],"properties":{"urlA":{"type":"string","description":"First URL"},"urlB":{"type":"string","description":"Second URL"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object"},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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_PDop7pSKE6oNLutdJkoG5","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":"Fetches and compares the content of two web pages, returning a structured diff or comparison of their content","exampleAgentPrompt":"Can you compare these two product pages and tell me what's different between them: https://example.com/product-v1 and https://example.com/product-v2?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a 'success' boolean and a 'data' object containing the comparison results between the two fetched URLs, likely including extracted content and differences between the two pages.","failureModes":["One or both URLs are unreachable or return non-200 status — comparison may fail or return partial data","URLs point to non-HTML content (PDFs, images) — extraction may fail or return unexpected results","Payment of $0.05 USDC via x402 not completed — request rejected","Malformed or missing urlA/urlB parameters — validation error","Target pages block scrapers via bot detection — content may be incomplete"],"whenToPreferThis":"Use this endpoint when you need to programmatically compare the content of two web pages without setting up auth or subscriptions — pay-per-use via USDC makes it ideal for one-off or low-frequency comparisons. Best for agents that need to detect changes, differences, or similarities between two live URLs on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:55:54.577Z","isFirstParty":false}