{"uid":"cap_sQl95fTh8LMDSKYQQEXjG","slug":"mercury-url-to-markdown-converter-with-signed-provenance-1ac64e39","name":"Mercury URL-to-Markdown Converter with Signed Provenance","description":"URL → clean, LLM-ready markdown (boilerplate/nav/ads stripped, headings + lists + links preserved) with a signed provenance receipt pinning the markdown to its source — the RAG-ingest primitive. Deterministic (no LLM): same URL + same source bytes ⇒ byte-identical markdown.","url":"https://mercury-x402-jed.fly.dev/buy/markdown?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_Xd_e3jv4WlxLPXIAIiY04","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 URL and returns clean, LLM-ready markdown (boilerplate/nav/ads stripped) plus a cryptographically signed provenance receipt pinning the markdown to its source.","exampleAgentPrompt":"Fetch https://en.wikipedia.org/wiki/Retrieval-augmented_generation and give me the clean markdown version — boilerplate and nav stripped — with a signed receipt I can use to prove the content is genuine.","exampleUseCases":null,"resultDescription":"Returns a JSON object with: ok (boolean success flag), url (final URL after redirects), data object containing markdown (clean LLM-ready text), title (page title), wordCount, contentType, bytes (raw body size), redirects (chain followed), truncated (whether 200KB cap was hit); plus text (canonical markdown string the signed receipt pins) and fetchedAt (ISO-8601 timestamp). On failure, returns ok:false with an error string.","failureModes":["Target URL is unreachable or returns a non-2xx status — ok:false with upstream status code and error string","URL exceeds 2048 character limit — rejected at input validation","Target page exceeds 200KB markdown cap — returned with truncated:true","Network timeout fetching the upstream URL — ok:false with error","Invalid or non-http/https URL scheme — rejected at input validation","Payment not completed via x402 protocol — 402 Payment Required before content is served"],"whenToPreferThis":"Choose this endpoint when you need clean, LLM-ready markdown from a URL with cryptographic provenance — i.e. a signed, offline-verifiable receipt proving what content was at what URL at what time. Prefer it over free scrapers like Jina when downstream agents or RAG pipelines need verifiable, tamper-evident content rather than hearsay bytes. Also ideal when you need a keyless, no-signup web fetch that a fresh autonomous agent can call without human intervention to obtain API credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:35:27.142Z","isFirstParty":false,"canonicalSlug":"mercury-url-to-markdown-converter-with-signed-provenance-1ac64e39"}