Books – Free-tier APIs
22 Free-tier APIs in the category Books. Free public web APIs that developers and AI agents can call. Entries come from the open public-apis list; each link was checked automatically (HTTP status) on the date shown, which says the site responded, not that the API is good.
Amanah Sunnah
Semantic search across Quran, Hadith, Tafsir & 18K+ Rijal narrators
Bhagavad Gita
Open Source Shrimad Bhagavad Gita API including 21+ authors translation in Sanskrit/English/Hindi
Bhagavad Gita telugu
Bhagavad Gita API in telugu and odia languages
Bible-api
Free Bible API with multiple languages
BookRank
Book rankings from open reader ratings: books, series, reading orders and authors
Crossref Metadata Search
Books & Articles Metadata
Ganjoor
Classic Persian poetry works including access to related manuscripts, recitations and music tracks
Google Books
Books
Greenlit Books
Catalog of practical AI books with search, series, glossary and a claim ledger
Gutendex
Web-API for fetching data from Project Gutenberg Books Library
KDP Intelligence
KDP niche demand scores, competition analysis and revenue estimates
Open Library
Books, book covers and related data
PoetryDB
Enables you to get instant data from our vast poetry collection
Quran
RESTful Quran API with multiple languages
Quran Cloud
A RESTful Quran API to retrieve an Ayah, Surah, Juz or the entire Holy Quran
Quran-api
Free Quran API Service with 90+ different languages and 400+ translations
Runyankole Bible
Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses
The Bible
Everything you need from the Bible in one discoverable place
Thirukkural
1330 Thirukkural poems and explanation in Tamil and English
Urantia Papers
Full-text + semantic search across the Urantia Papers, with audio narration, entities, translations
Wizard World
Get information from the Harry Potter universe
Wolne Lektury
API for obtaining information about e-books available on the WolneLektury.pl website