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Project Gutenberg Ebook Search (Gutendex)
x402
Project Gutenberg Ebook Search (Gutendex) is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Search Project Gutenberg's public-domain ebook catalog by keyword, returning book titles, authors, and download counts as JSON.
Price / call$0.02
Success—
StatusUnknown
How this service works
Search Project Gutenberg's public-domain ebook catalog by keyword {q}, with authors and download counts. Query: ?q= Returns JSON.
Output
A JSON array of matching public-domain ebooks from Project Gutenberg, each including title, author(s), and download count metrics, filtered by the provided keyword query.
Example use cases
Example prompt
“Can you search Project Gutenberg for public-domain ebooks about 'Sherlock Holmes' and show me the titles, authors, and how many times each has been downloaded?”
Technical details
Endpoint
POSThttps://clonecho.builda.company/x402/s/gutendex-searchWhen to prefer
Use this endpoint when you need to search Project Gutenberg's public-domain ebook catalog by keyword, author, or title and want structured JSON results with author names and download popularity data. Prefer this over scraping Gutenberg directly or using a general web search when you need machine-readable structured book metadata.
Side effects
- Empty result set if keyword matches no books in the catalog
- HTTP 402 if payment header is not provided or USDC balance is insufficient
- Malformed or missing query parameter returns an error or empty results
- Timeout if Gutendex upstream API is slow or unavailable
Tags
x402
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