{"uid":"cap_Xm4kIoespMM4gF9BGCo6F","slug":"webcap-web-analysis-api-page-classification-entity-extraction-5a79822b","name":"Webcap Web Analysis API — Page Classification & Entity Extraction","description":"Screenshot any URL. Extract structured data. Monitor for changes. Developer API with pay-per-call pricing — no API keys, no accounts.","url":"https://webcap.shoutsid.fyi/v1/x402/analyze?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"The page to analyze"},"task":{"enum":["classification","accessibility","layout","entities","sentiment"],"type":"string","description":"Analysis task type"},"context":{"type":"string","description":"Optional focus context for the analysis"}}},"responseSchema":{"type":"json","example":{"task":"classification","result":{"tags":["marketing"],"category":"landing-page","confidence":0.9},"payment":{"payer":"0x000000000000000000000000000000000000dEaD","priceUsdcUnits":10000},"latency_ms":1200}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8hJEA6t9S1rKGG7nlZRNZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes any URL using a specified task type (classification, accessibility, layout, entities, or sentiment) and returns structured JSON results with confidence scores","exampleAgentPrompt":"Can you classify this page for me — https://example.com/pricing — and tell me what category it falls into and how confident you are?","exampleUseCases":[{"title":"Automated landing page categorization","prompt":"Go to https://acme.com and classify it — I want to know what category it falls under and any relevant tags, like whether it's a landing page, blog, or e-commerce site."},{"title":"Entity extraction from competitor pages","prompt":"Extract all named entities from https://competitor.com/about — things like people, organizations, products, and locations mentioned on the page."},{"title":"Sentiment check on product review page","prompt":"Analyze the sentiment of https://reviews.example.com/product/123 — is the overall tone of the page positive, negative, or neutral?"}],"resultDescription":"Returns a JSON object containing the requested task type, a result object with task-specific fields (e.g. category, tags, and confidence score for classification), and payment metadata including the payer address and price in USDC units. Latency in milliseconds is also included.","failureModes":["Invalid or unreachable URL returns an error — ensure the URL is publicly accessible","Unsupported task enum value returns a validation error","Page behind authentication or bot protection may return incomplete or blocked results","Slow-loading pages may timeout or return degraded results","Ambiguous context string may reduce accuracy of the analysis result"],"whenToPreferThis":"Choose this endpoint when you need structured, task-specific analysis of a live webpage — especially classification, entity extraction, accessibility auditing, sentiment scoring, or layout analysis — without managing API keys or accounts. It is well-suited for pay-per-call agent workflows using x402 micropayments at $0.01 per call. Prefer this over general LLM web browsing when you need a consistent structured JSON output with confidence scores rather than a free-form summary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:40:17.941Z","isFirstParty":false,"canonicalSlug":"webcap-web-analysis-api-page-classification-entity-extraction-5a79822b"}