Gutendex

Extra Credit builds an outline of Gutendex's docs the first time your work uses it. Until then, start at the official documentation.

• British National Bibliography Books
• 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
• GurbaniNow Fast and Accurate Gurbani RESTful API
• KDP Intelligence KDP niche demand scores, competition analysis and revenue estimates
• Open Library Books, book covers and related data
• Penguin Publishing 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