{"uid":"cap_naWkxuEyQHgQ8kBhnEKbQ","slug":"free-books-english-language-5bf5b49e","name":"free-books-english-language","description":"Free public-domain books on \"English language\": browse the catalogue's works tagged with that Library of Congress subject (316 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/english-language","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_5sTszC3AdgimvYrN_qPKy","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":"Browse and download free public-domain books tagged with the 'English language' Library of Congress subject from Project Gutenberg and Internet Archive, ranked by relevance and popularity.","exampleAgentPrompt":"Can you find me a list of free public-domain books about the English language I can download — something like classic grammar or linguistics texts — and show me where to get the epub or txt files?","exampleUseCases":[{"title":"Sourcing free English grammar textbooks","prompt":"I'm building a reading list of classic English grammar and usage books — can you pull up the most popular free public-domain titles on the English language subject and give me their download links?"},{"title":"Finding books by a specific English language author","prompt":"Can you search the free public-domain English language catalogue for books by Henry Sweet and show me where I can download them in epub or txt format?"},{"title":"Curating open-access linguistics resources","prompt":"I need a catalogue of free downloadable books tagged 'English language' for a linguistics course — can you fetch the top 20 by popularity with their direct download links?"}],"resultDescription":"A paginated list (20 results per page) of public-domain book entries tagged with the 'English language' Library of Congress subject, drawn from Project Gutenberg and Internet Archive, including titles, authors, relevance/popularity rankings, and direct download links in epub, txt, and html formats. Results are re-verified daily.","failureModes":["No results returned if query keywords match no titles or authors in the catalogue","Rate limiting or payment failure if $0.01 USDC per page call is not fulfilled","Stale or broken download links if a source (Gutenberg/Archive) removes a title between daily verifications","Empty catalogue page if page number exceeds total available results"],"whenToPreferThis":"Choose this endpoint when you need a curated, daily-verified catalogue of free public-domain books specifically tagged with the 'English language' Library of Congress subject, with direct epub/txt/html download links and popularity ranking. Prefer this over raw Project Gutenberg or Internet Archive searches when you want pre-filtered, relevance-ranked results combining both sources in one call at low per-page cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:00.686Z","isFirstParty":false}