Books APIs let you add books capabilities without building from scratch. Every entry below is profiled with trust signals — pricing model, authentication requirements, CORS support, rate limits, and live uptime checks — so you can compare options and pick production-safe choices instead of guessing from a link list.
| API | Pricing | Auth | CORS | Health | |
|---|---|---|---|---|---|
| Amanah Sunnah API Semantic search across Quran, Hadith, Tafsir & 18K+ Rijal narrators | Free | API Key | Yes | Profile | |
| Bhagavad Gita Bhagavad Gita text | Free | OAuth | No | Profile | |
| Bhagavad Gita API 2 Open Source Shrimad Bhagavad Gita API including 21+ authors translation in Sanskrit/English/Hindi | Free | API Key | Yes | Profile | |
| Bhagavad Gita telugu Bhagavad Gita API in telugu and odia languages | Free | No | No | Profile | |
| Bible-api Free Bible API with multiple languages | Free | No | No | Profile | |
| Big Book The Big Book API allows you to semantically search, filter, sort, and recommend books | Free | API Key | Yes | Profile | |
| Books API The Books API provides information about book reviews and The New York Times bestsellers lists. | Paid | Unknown | Yes | Profile | |
| Crossref Metadata Search Books & Articles Metadata | Free | No | No | Profile | |
| Docker HUB API Docker Hub is a service provided by Docker for finding and sharing container images with your team. It is the world's largest library and community for container images. In addition to the [Docker Hub UI](https://docs.do | Unknown | API Key | Yes | Profile | |
| Ganjoor Classic Persian poetry works including access to related manuscripts, recitations and music tracks | Free | OAuth | Yes | Profile | |
| Go-UPC Barcode-Lookup API Find information on products from around the globe. The API supports UPC, EAN, and ISBN barcode numbers, and info returned includes product name, description, brand, image URL, and more. | Unknown | API Key | Yes | Profile | |
| Google Books Books | Free | OAuth | No | Profile | |
| Google Books API Google Books API: search books, previews, user libraries, and volume metadata for millions of titles. | Freemium | API Key | Yes | Profile | |
| Google Books API 2 Official Google Books API REST API (v1) discovered via Google APIs Discovery Service. | Unknown | API Key | Yes | Profile | |
| Google Library Agent API Official Google Library Agent API REST API (v1) discovered via Google APIs Discovery Service. | Unknown | Unknown | Yes | Profile | |
| Google Notebooks API Official Google Notebooks API REST API (v1) discovered via Google APIs Discovery Service. | Unknown | Unknown | Yes | Profile | |
| GurbaniNow API Fast and Accurate Gurbani RESTful API | Unknown | API Key | Unknown | Profile | |
| Gutendex Web-API for fetching data from Project Gutenberg Books Library | Free | No | Yes | Profile | |
| Harry Potter API to get data from Harry Potter books, movies and characters | Free | No | No | Profile | |
| ISBNdb API Definition of ISBNdb.com API | Unknown | API Key | Yes | Profile | |
| KDP Intelligence API KDP niche demand scores, competition analysis and revenue estimates | Unknown | OAuth | Yes | Profile | |
| Library Management Manage users, books, authors, loans and reviews | Free | No | No | Profile | |
| Open Library Books, book covers and related data | Free | No | No | Profile | |
| Penguin Publishing Books, book covers and related data | Free | No | Yes | Profile | |
| PoetryDB Enables you to get instant data from our vast poetry collection | Free | No | No | Profile | |
| Product Library API The Product Library API is used for managing merchant's product information and product images. | Paid | Unknown | Yes | Profile | |
| Quran RESTful Quran API with multiple languages | Free | No | Yes | Profile | |
| Quran Cloud A RESTful Quran API to retrieve an Ayah, Surah, Juz or the entire Holy Quran | Free | No | No | Profile | |
| Quran-api Free Quran API Service with 90+ different languages and 400+ translations | Free | No | No | Profile | |
| Shutterstock API Explorer API The Shutterstock API provides access to Shutterstock's library of media, as well as information about customers' accounts and the contributors that provide the media. | Unknown | Unknown | Yes | Profile | |
| Square Connect API Client library for accessing the Square Connect APIs | Unknown | Unknown | Yes | Profile | |
| Stephen King The varied works and characters of the prolific author Stephen King | Free | No | Yes | Profile | |
| The Bible Everything you need from the Bible in one discoverable place | Free | API Key | No | Profile | |
| Thirukkural 1330 Thirukkural poems and explanation in Tamil and English | Free | No | No | Profile | |
| Wizard World Get information from the Harry Potter universe | Free | No | Yes | Profile | |
| Wolne Lektury API for obtaining information about e-books available on the WolneLektury.pl website | Free | No | Yes | Profile |
Start with pricing and auth: free tiers and no-auth APIs are fastest to prototype with. Then check CORS if your app calls the API from the browser, and health before you commit — a great API that's been down for a week will block your launch. Each profile below shows all of these signals plus rate limits where documented.