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free-books-friendship
x402
free-books-friendship 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 'Friendship' Library of Congress subject from Project Gutenberg and Internet Archive, ranked by relevance and popularity with direct download links.
Price / call$0.01
Success—
StatusUnknown
How this service works
Free public-domain books on "Friendship": browse the catalogue's works tagged with that Library of Congress subject (557 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 page of 20 public-domain books tagged with the Friendship Library of Congress subject, including title, author, relevance/popularity ranking, and direct epub/txt/html download links. Results are re-verified daily and sourced from Project Gutenberg and Internet Archive.
Example use cases
Reading list builder for friendship theme
“I'm putting together a reading list on the theme of friendship — can you find me the most popular free public-domain books about friendship, with epub download links, so I can add them to my e-reader?”
Find specific author's friendship works
“Can you search for free public-domain books about friendship where the author is Cicero or Aristotle and give me direct download links?”
Classroom literature discovery
“I'm a teacher looking for classic texts on friendship that I can freely distribute to students — can you list public-domain books on that subject with their download links?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/library/subject/friendshipWhen to prefer
Choose this endpoint when you need to discover and access free, legally downloadable public-domain books specifically on the topic of friendship, with pre-filtered Library of Congress subject tagging and ranked popularity — particularly when you need direct epub/txt/html links ready for download without scraping Gutenberg or Archive yourself.
Side effects
- No results returned if keyword filter is too narrow or misspelled
- Pagination beyond available results returns empty page
- Occasional dead download links if upstream source (Gutenberg/Archive) changes file paths between daily re-verification cycles
- Rate limiting or payment failure if USDC balance is insufficient for the $0.01 per call fee
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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