{"uid":"cap_Fwsz50ixkySw0zKEyetoK","slug":"weblens-compare-api-c73d04c6","name":"WebLens Compare API","description":"# WebLens - Web Intelligence API, pay per call\n\nScrape, crawl, map and extract the web. No account, no API key, no monthly\nminimum — you pay for the calls you make and nothing else.\n\n## Pricing\nPage fetching starts at **$0.002**, whole-site crawling at\n**$0.0015/page**, and sitemap discovery at **$0.004**.\nComparable services bill $0.007-0.008 per request, or reach a lower per-page\nrate only on a $99/month commitment. WebLens has no commitment to reach.\n\n## Payment Protocol\nAll paid endpoints use the [x402 protocol](https://x402.org) for HTTP-native\nmicropayments (USDC on Base).\n\n## Cache Discount\nCached responses are **70% cheaper** than fresh fetches.","url":"https://api.weblens.dev/compare?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"urls":{"type":"array","description":"Array of 2-3 URLs to compare"},"focus":{"type":"string","description":"What aspect to focus the comparison on"}}},"responseSchema":{"type":"json","example":{"sources":[{"url":"https://product-a.com","title":"Product A","content":"Features: X..."},{"url":"https://product-b.com","title":"Product B","content":"Features: Y..."}],"requestId":"req_compare456","comparedAt":"2026-01-26T12:00:00.000Z","comparison":{"summary":"Product A focuses on...","differences":["Product A has Z"],"similarities":["Both offer feature X"]}}},"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_jMvNePPTaYP8_mkRpyzuX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and compares multiple web pages side-by-side using AI, returning structured summaries of similarities and differences","exampleAgentPrompt":"Compare the features and pricing of these two products for me — https://product-a.com and https://product-b.com — and give me a summary of the key differences and similarities.","exampleUseCases":[{"title":"Competitor product feature comparison","prompt":"Compare the feature pages of Notion and Coda — https://www.notion.so/product and https://coda.io/product — and tell me the main differences and what they have in common."},{"title":"Side-by-side pricing page analysis","prompt":"Pull up the pricing pages for Slack and Microsoft Teams and compare them — I want to know the differences in plans, price points, and any similarities in what they offer."},{"title":"Research two news articles on same event","prompt":"Compare these two news articles covering the same story and summarize how their reporting differs and where they agree: https://article-a.com and https://article-b.com."}],"resultDescription":"A JSON object containing the scraped content from each provided URL (with title and text), a comparison object with an AI-generated summary, a list of key differences, and a list of similarities, plus a requestId and timestamp for the comparison.","failureModes":["One or more URLs are unreachable or return non-200 responses, resulting in partial or failed comparison","Payment not authorized via x402 protocol, returning 402 Payment Required","Rate limiting if too many requests are made in quick succession","Malformed or inaccessible URLs causing extraction errors","Paywalled or JavaScript-heavy pages may yield incomplete content extraction"],"whenToPreferThis":"Choose this endpoint when you need to compare the content of two or more web pages in a single call with AI-synthesized output — rather than scraping each URL individually and comparing manually. Ideal for competitive intelligence, product research, or content auditing workflows where structured similarity/difference output is needed directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:39:54.268Z","isFirstParty":false,"canonicalSlug":"weblens-compare-api-c73d04c6"}