{"uid":"cap_XbV6c2apgNIovcyB7p200","slug":"zhuanqian-research-api-web-page-to-markdown-extractor-4eb63966","name":"zhuanqian research API – Web Page to Markdown Extractor","description":"Research digest (HN/GitHub/arXiv) and web page → markdown extractor. Paid x402 (USDC on Base) routes under /paid/*; free rate-limited demo under /v1/*.","url":"https://research-api-production-d642.up.railway.app/paid/extract?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"public https URL"},"max_chars":{"type":"integer","default":20000,"maximum":50000}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"url":"https://example.com","links":[],"title":"Example Domain","markdown":"# Example Domain ...","word_count":20}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cWYl4Si5rA2yaR6QpVUAx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public URL and returns its content as clean markdown, along with extracted links, title, and word count","exampleAgentPrompt":"Can you fetch https://techcrunch.com/2024/01/15/openai-news/ and convert it to markdown so I can read the full article text cleanly?","exampleUseCases":[{"title":"Extract article for research notes","prompt":"Grab the content from https://arxiv.org/abs/2401.12345 and give it to me as markdown — I want to pull out the key sections for my notes."},{"title":"Convert blog post for offline reading","prompt":"Can you fetch https://simonwillison.net/2024/Mar/8/gpt-4-turbo/ and turn it into clean markdown? Keep up to 30,000 characters please."},{"title":"Scrape product page for comparison","prompt":"Pull the content from https://www.example-shop.com/product/fancy-widget and extract it as markdown so I can compare specs with other products."}],"resultDescription":"A JSON object containing the page's markdown-formatted text content, its title, a list of extracted hyperlinks, and a word count. The markdown field holds the main readable content of the page, cleaned of HTML boilerplate.","failureModes":["Non-public or paywalled URLs may return empty or partial content","URLs that require JavaScript rendering may not return full page content","max_chars cap of 50,000 may truncate very long pages","Invalid or unreachable URLs will result in fetch errors","Payment failure (insufficient USDC balance or x402 auth issue) blocks the paid route"],"whenToPreferThis":"Choose this endpoint when you need to extract readable markdown content from any public URL quickly and cheaply ($0.005 per call). It is ideal for research pipelines, agent workflows that need to read web pages, or any task requiring clean, structured text from arbitrary URLs. The paid /paid/extract route offers higher reliability and limits than the free /v1/* demo route.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T20:40:10.536Z","isFirstParty":false,"canonicalSlug":"zhuanqian-research-api-web-page-to-markdown-extractor-4eb63966"}