| A Bíblia Digital | Access multiple versions of the Bible through a simple REST API | apiKey | ✓ | ✗ | |
| Bhagavad Gita | Shrimad Bhagavad Gita API including translations by 21+ authors in Sanskrit, English, and Hindi | apiKey | ✓ | ✓ | |
| Bhagavad Gita | Access full Bhagavad Gita text and chapters | OAuth | ✓ | ✓ | |
| Bhagavad Gita Telugu | Bhagavad Gita API in Telugu and Odia languages | No | ✓ | ✓ | |
| Bible-api | Free REST Bible API supporting multiple languages | No | ✓ | ✓ | |
| British National Bibliography | Bibliographic records of books and publications from the British Library | No | ✗ | ? | |
| Crossref Metadata Search | Metadata for books, articles, and academic papers via Crossref | No | ✓ | ? | |
| Ganjoor | Access classic Persian poetry, manuscripts, recitations, and music tracks | OAuth | ✓ | ✓ | |
| Google Books | Search and access Google Books data and book covers | OAuth | ✓ | ? | |
| GurbaniNow | Fast and accurate Gurbani RESTful API with scripture search | No | ✓ | ? | |
| Gutendex | Web API for accessing Project Gutenberg’s free eBook library | No | ✓ | ? | |
| Open Library | Retrieve books, covers, and author data from Open Library | No | ✓ | ✗ | |
| Penguin Publishing | Retrieve Penguin Random House books and related metadata | No | ✓ | ✓ | |
| PoetryDB | Access an extensive collection of poems and poets via REST API | No | ✓ | ✓ | |
| Quran | RESTful API for the Quran with multi-language translations | No | ✓ | ✓ | |
| Quran Cloud | Retrieve Quran verses, Surahs, and translations via API | No | ✓ | ✓ | |
| Quran-api | Free Quran API with over 90 languages and 400+ translations | No | ✓ | ✓ | |
| Rig Veda | Access verses, poets, and categories from Rig Veda scriptures | No | ✓ | ? | |
| The Bible | Comprehensive Bible API offering multiple translations and resources | apiKey | ✓ | ? | |
| Thirukkural | Access 1330 Thirukkural poems and explanations in Tamil and English | No | ✓ | ✓ | |
| Vedic Society | Descriptions of names, places, and entities from Vedic literature | No | ✓ | ? | |
| Wizard World | Retrieve information about characters, spells, and data from the Harry Potter universe | No | ✓ | ✓ | |
| Wolne Lektury | API for accessing e-books and metadata from WolneLektury.pl | No | ✓ | ? | |