{"uid":"cap_7iVru9vQ41uQshoIhF0HD","slug":"free-books-periodicals-3b469b17","name":"free-books-periodicals","description":"Free public-domain books on \"Periodicals\": browse the catalogue's works tagged with that Library of Congress subject (283 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. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/periodicals","method":"GET","headers":{},"bodySchema":{"type":"object","$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_zy-IMPWIum6svvliHLDjc","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 'Periodicals' Library of Congress subject from Project Gutenberg and Internet Archive, ranked by relevance and popularity.","exampleAgentPrompt":"Can you find me free public-domain periodicals I can download — specifically look for anything by Mark Twain or with 'Atlantic' in the title, and give me the epub links?","exampleUseCases":[{"title":"Historical journalism research","prompt":"I'm researching 19th century journalism — can you pull up a list of public-domain periodicals available for free download, ranked by popularity, so I can find primary sources to read?"},{"title":"Finding a specific author's periodical work","prompt":"Can you search the free public-domain periodicals catalogue for anything written by Charles Dickens and give me download links in epub or txt format?"},{"title":"Building a reading list of classic journals","prompt":"I want to put together a reading list of classic public-domain periodicals — can you browse the catalogue and give me the top results with their download links?"}],"resultDescription":"A paginated list (up to 20 items per page) of public-domain books and periodicals tagged with the Library of Congress 'Periodicals' subject, including titles, authors, relevance/popularity rankings, and direct download links in epub, txt, and html formats. Results are re-verified daily and sourced from Project Gutenberg and Internet Archive.","failureModes":["No results returned if query keywords don't match any catalogue entries","Pagination beyond available pages returns empty results","Download links may occasionally be stale between daily re-verification cycles","Rate limiting or payment failure (x402) if USDC payment is not properly handled"],"whenToPreferThis":"Choose this endpoint when you need to discover or download free public-domain books and publications specifically categorized under the 'Periodicals' Library of Congress subject heading, and want results aggregated from both Project Gutenberg and Internet Archive with direct download links. Prefer this over general web search when you want curated, verified, legal public-domain content with structured metadata and download URLs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:48.149Z","isFirstParty":false}