{"uid":"cap_WxCsjSGtZpvIPWg8h1F9X","slug":"kairostamp-text-extract-dcb45db3","name":"Kairostamp Text Extract","description":"Readable text extraction: fetches one public HTML page server-side and returns clean plain text with the page title, final URL, HTTP status, content type, SHA-256 of the response body, a timestamp and a tamper-evident receipt. Single GET query parameter (url). Text is capped at 12000 characters; no JavaScript is executed.","url":"https://kairostamp.com/api/v1/text-extract","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_du0nEhBGXE4cfzGtkXNPR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public HTML page server-side and returns clean plain text with provenance metadata including a tamper-evident receipt","exampleAgentPrompt":"Can you fetch the text content of https://www.bbc.com/news/world and give me the clean readable text along with a tamper-evident receipt so I can verify the content later?","exampleUseCases":[{"title":"Fact-check a live news article","prompt":"Pull the plain text from https://www.reuters.com/technology/ai/ so I can read the actual article content and have a timestamped receipt proving what it said at this moment."},{"title":"Monitor a policy page for content","prompt":"Grab the readable text from https://openai.com/policies/terms-of-use and give me the SHA-256 hash and receipt ID so I can tell if the content changes over time."},{"title":"Extract article text for summarization","prompt":"Fetch the text from this research blog post at https://blog.anthropic.com/claude-3 and return the clean plain text without any HTML so I can summarize it."}],"resultDescription":"Returns a JSON object with: cleaned plain text (up to 12,000 characters), page title, final resolved URL after redirects, HTTP status code, content type, SHA-256 hash of the response body, ISO 8601 timestamp of fetch, a UUID receipt ID, a tamper-evident chain_hash, character count, a truncated flag, and an optional note. No JavaScript is executed during fetch.","failureModes":["Non-public or paywalled URL returns limited or empty text","Pages requiring JavaScript to render return incomplete content since JS is not executed","URLs exceeding 2048 characters are rejected","Text truncated at 12,000 characters for very long pages — truncated flag set to true","Server-side fetch blocked by target site's firewall or robots policy may return error status","Invalid or malformed URL returns an error","Non-HTML content types (PDF, images) may yield empty or minimal text"],"whenToPreferThis":"Choose this endpoint when you need clean readable text extracted from a public HTML page and want cryptographic provenance (SHA-256 + receipt ID + chain hash) to prove what the page said at a specific time. Ideal for fact-checking, compliance archiving, content monitoring, or feeding article text into a downstream LLM pipeline. Prefer this over generic scrapers when tamper-evidence and auditability matter, or when you want a server-side fetch without running a headless browser. Not suitable for JavaScript-heavy SPAs or paywalled content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:28:37.331Z","isFirstParty":false}