{"uid":"cap_2jVLlyr4FiDz3AZN4zWfU","slug":"proofivy-library-server-verified-article-fetch-d59be840","name":"Proofivy Library Server – Verified Article Fetch","description":"Content fetch API. Pay per request via x402 and receive the article text together with its Proofivy content-id (CID), a cryptographic commitment to the exact bytes returned.","url":"https://library.proofivy.com/proofivy","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"content_url":{"type":"string","description":"The URL or slug of the content to retrieve"}}},"responseSchema":{"type":"json","example":{"text":"The verified article content...","status":"success","proofivy_cid":"bafkreiexample..."}},"example":{"request":{"content_url":"bitcoin-investment-thesis-overview"},"response":{"text":"content url not found, possible inputs: [{'slug': 'about', 'date': '2025-10-31'}, {'slug': 'app_privacy', 'date': '2025-10-31'}, {'slug': 'apps', 'date': '2025-10-31'}, {'slug': 'content_authenticity_initiative', 'date': '2026-02-19'}, {'slug': 'cryptoslate_x402_pay_per_article_is_live', 'date': '2026-02-19'}, {'slug': 'docs', 'date': '2025-10-31'}, {'slug': 'get_paid_for_llm_lookups', 'date': '2026-02-19'}, {'slug': 'how_to_publish_to_x402_on_your_iphone', 'date': '2026-02-19'}, {'slug': 'ip_lock', 'date': '2025-10-31'}, {'slug': 'lab_for_germinal_center_biology', 'date': '2025-10-31'}, {'slug': 'mcp_server', 'date': '2026-02-19'}, {'slug': 'use_cases', 'date': '2026-02-19'}, {'slug': 'what_is_proofivy', 'date': '2025-10-31'}]","status":"error - content url not found","proofivy_cid":""}},"exampleRequest":{"content_url":"bitcoin-investment-thesis-overview"},"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_SaFkcfSLNFnSd9d79vwug","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":"Fetches article text from a URL and returns it together with a cryptographic content ID (CID) that commits to the exact bytes delivered, paid per request via x402.","exampleAgentPrompt":"Fetch the full text of this article — https://cryptoslate.com/bitcoin-investment-thesis-2024/ — and give me the Proofivy CID so I can verify the exact content that was returned.","exampleUseCases":null,"resultDescription":"A JSON object containing: 'text' (the full article body), 'status' ('success' on successful retrieval), and 'proofivy_cid' (a IPFS-style CID string such as 'bafkrei...' that is a cryptographic commitment to the exact bytes of the returned content).","failureModes":["Invalid or unreachable URL returns an error status","Article behind a hard paywall or authentication wall may not be retrievable","Malformed slug that cannot be resolved to a canonical URL","Payment failure via x402 if insufficient USDC balance","Unsupported domain or content type returns an error"],"whenToPreferThis":"Choose this endpoint when you need both the full text of a web article AND a cryptographic proof (CID) that the content has not been altered — ideal for audit trails, fact-checking pipelines, or any workflow where byte-level content integrity matters. Prefer over generic scrapers when tamper-evidence or verifiability is a requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:31:29.441Z","isFirstParty":false}