{"uid":"cap_B-PTybLl6pul3IyzFKowU","slug":"free-public-domain-books-on-families-project-gutenberg-internet-archive-b11972d3","name":"Free Public-Domain Books on Families (Project Gutenberg + Internet Archive)","description":"Free public-domain books on \"Families\": browse the catalogue's works tagged with that Library of Congress subject (568 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. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/families","method":"GET","headers":{},"bodySchema":{"type":"object","$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_9TgMvt6DGsAPIjjsU9lO7","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":"Returns a paginated catalogue of free public-domain books tagged with the Library of Congress 'Families' subject, ranked by relevance and popularity, with epub/txt/html download links.","exampleAgentPrompt":"Can you show me the most popular free public-domain books about families from Project Gutenberg — maybe filter by Jane Austen — and give me the download links?","exampleUseCases":[{"title":"Classic family novels reading list","prompt":"Pull me a list of the most popular free public-domain classic novels about families, with epub download links so I can load them onto my e-reader."},{"title":"Research books on family structure","prompt":"I'm doing research on historical family life — find me free downloadable books tagged with 'families' from Project Gutenberg and the Internet Archive, ranked by relevance."},{"title":"Author-specific family book search","prompt":"Show me any free books about families written by Leo Tolstoy that I can download for free in epub or text format."}],"resultDescription":"A ranked list (page of 20) of public-domain books matching the 'Families' Library of Congress subject tag, each entry including title, author, relevance/popularity score, and direct download links in epub, txt, and/or html formats. Updated daily.","failureModes":["No results returned if filter keywords do not match any titles or authors in the catalogue","Payment not processed results in access denial (x402 payment required)","Empty page if requested page number exceeds total available pages","Slow or timeout response if upstream Project Gutenberg or Internet Archive is unavailable"],"whenToPreferThis":"Choose this endpoint when you need a curated, re-verified daily list of free public-domain books specifically tagged under the Library of Congress 'Families' subject, with direct download links across multiple formats, at low cost per page — especially useful when you need relevance and popularity ranking rather than raw search results from Gutenberg directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:58.088Z","isFirstParty":false}