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Free Public-Domain Books by Subject: Sisters
x402
Free Public-Domain Books by Subject: Sisters 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 ranked, paginated catalogue of free public-domain books tagged with the Library of Congress subject 'Sisters' from Project Gutenberg and Internet Archive, with direct download links.
Price / call$0.01
Success—
StatusUnknown
How this service works
Free public-domain books on "Sisters": browse the catalogue's works tagged with that Library of Congress subject (207 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 paginated list of up to 20 public-domain book records per page, each including title, author, relevance and popularity ranking, and direct download links in epub, txt, and/or html formats. Results are sourced from Project Gutenberg (207+ works) and Internet Archive scans, re-verified daily.
Example use cases
Classic sisterhood novels reading list
“Show me the most popular free public-domain books about sisters — I want a ranked list with epub download links so I can load them onto my e-reader.”
Author-specific sister-themed books
“Find free downloadable ebooks on the subject of sisters written by Louisa May Alcott — give me the epub and txt links from Project Gutenberg or Internet Archive.”
Building a library of sibling literature
“Browse the catalogue of public-domain books tagged 'Sisters' and give me the first 20 results with their download links so I can curate a free reading list for a book club.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/library/subject/sistersWhen to prefer
Use this endpoint when you need a ready-made, daily-verified catalogue of public-domain books specifically tagged with the Library of Congress 'Sisters' subject, with direct download links — rather than scraping Project Gutenberg or Internet Archive yourself. Best when you want ranked results combining both sources in one call at low cost.
Side effects
- No results returned if keyword filter is too restrictive or misspelled
- Stale or broken download links if a source removes content between daily re-verification cycles
- Rate limiting or payment failure if the $0.01 USDC per-call fee is not satisfied
- Empty catalogue page if page number exceeds total available results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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