Books APIs Collection

API Docs
LibGen

LibGen

https

Library Genesis has an API, but the only documentation is a forum thread in Russian. So this is an English-language guide to using the LibGen API.

free
Public
Books
API Docs
Penguin Publishing

Penguin Publishing

https

Books, book covers, and related data

free
Public
Books
API Docs
Bhagavad Gita

Bhagavad Gita

https

The Bhagavad Gita API allows a web or mobile developer to use the Bhagavad Gita text in their web or mobile application(s).

free
OAuth
Books
API Docs
Google Books

Google Books

https

Google Books is our effort to make book content more discoverable on the Web

free
Public
Books