# Gutendex API

**Canonical:** https://apis.io/apis/gutenberg/gutendex/  
**Provider:** Project Gutenberg — https://apis.io/providers/gutenberg/  
**Base URL:** https://gutendex.com  
**Documentation:** https://gutendex.com/

Gutendex API is published by [Project Gutenberg](https://apis.io/providers/gutenberg/) on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Books, Ebooks, Public Domain, Metadata, and Literature. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

Gutendex is a JSON web API for Project Gutenberg ebook metadata. It provides access to the catalog of 75,000+ public domain books with filtering by language, copyright status, topic, author lifespan, and MIME type. The API returns paginated JSON results including book titles, authors, subjects, bookshelves, download formats, and download counts. No authentication or API key is required.

## Machine-readable artifacts (3)

- **Documentation** — https://gutendex.com/
- **OpenAPI** — https://gutendex.com/books
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/gutenberg/refs/heads/main/apis.yml

## Tags

Books, Ebooks, Public Domain, Metadata, Literature

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/gutenberg/gutendex/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/gutenberg/.