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Free Books on Questions and Answers (Public Domain Catalogue)
x402
Free Books on Questions and Answers (Public Domain Catalogue) is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns a paginated catalogue of free public-domain books tagged with the Library of Congress subject 'Questions and answers', with download links, ranked by relevance and popularity.
Price / call$0.01
Success—
StatusUnknown
How this service works
Free public-domain books on "Questions and answers": browse the catalogue's works tagged with that Library of Congress subject (230 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.
Output
A ranked list of up to 20 public-domain books per page tagged with the Library of Congress subject 'Questions and answers', including title, author, relevance/popularity ranking, and direct download links in epub, txt, and/or html formats. Results are re-verified daily against Project Gutenberg and Internet Archive.
Example use cases
Catechism and dialogue text research
“I'm researching historical catechism books written in question-and-answer format — can you pull up the first page of free public-domain books tagged 'questions and answers' so I can browse titles and grab epub links?”
Finding Q&A books by a specific author
“Can you search the free public-domain Q&A books catalogue and narrow it down to works by Socrates or Plato, and show me the download links for whatever comes up?”
Trivia and quiz content sourcing
“I need free classic books in a question-and-answer format to pull trivia content from — can you list the most popular ones available for free download, starting from the first page of results?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/library/subject/questions-and-answersWhen to prefer
Choose this endpoint when you need a curated, daily-verified catalogue of free public-domain books specifically tagged under the Library of Congress 'Questions and answers' subject heading, with ready-made epub/txt/html download links. Prefer it over raw Project Gutenberg or Internet Archive searches when you want pre-filtered, ranked results without scraping. Ideal for agents that need to source free reading material, historical Q&A texts, catechisms, or trivia content without licensing concerns.
Side effects
- No results returned if query keywords don't match any titles or authors in the catalogue
- Payment failure if x402 USDC payment of $0.01 is not completed before access
- Stale or missing entries if a source (Project Gutenberg/Internet Archive) changes its catalogue between daily re-verification cycles
- Invalid page parameter may return empty result set
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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