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Gutendex

Books & Learning No key

AuthenticationNo key
Rate limitNo published limit; polite fair use.

Documentation: gutendex.com ยท Checked Sep 13, 2026

About

Gutendex is a simple, free API over Project Gutenberg's library of public-domain ebooks. You can search more than 70,000 books by title or author, filter by language or topic, and get download links in formats like EPUB and Kindle. No key or signup is needed at all.

Details

No key needed. You can call it right away.

Auth: No key

Rate limit: No published limit; polite fair use.

Verified: 2026-09-13

Best for: personal developer fun

Read the docs Back to catalog

Setup

  1. Paste the example URL into your browser to search ebooks instantly, no signup needed.
  2. Change the search text to any title, author, or keyword.
  3. Use filters like languages=en or topic=fiction to narrow results.
  4. Follow the formats links in each result to download the ebook file.
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