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gutendex.search
mock data$0.001 / callSearch Project Gutenberg
Search 78K+ public-domain books on Project Gutenberg by free-text query, language (ISO 639-1), topic, or author birth year. Returns book IDs, titles, authors, languages, subjects, download counts, and EPUB/TXT/HTML/cover URLs (Gutendex MIT)
Input schema
limit
integerMax results to return (default 20, max 50).
query
stringFree-text search across title, author name, and subject (e.g. "shakespeare", "moby dick").
topic
stringSubject/bookshelf topic filter (e.g. "Adventure", "Children's literature").
language
stringISO 639-1 language code or comma-separated codes to filter by language (e.g. "en", "fr,de").
author_year_end
integerFilter by author birth year — only include books from authors alive up to this year.
author_year_start
integerFilter by author birth year — only include books from authors alive in this period start.
Call via REST
curl -X POST https://unifyapi.pro/api/call/gutendex.search \
-H "Authorization: Bearer uak_live_..." \
-H "Content-Type: application/json" \
-d '{"limit":0,"query":"<query>","topic":"<topic>","language":"<language>","author_year_end":0,"author_year_start":0}'