Free Education & Science APIs

Query Wikipedia article summaries, search pages, and rich media

Free English dictionary API providing definitions, phonetics, and audio

Word finding query engine for synonyms, rhymes, and semantic adjectives

Internet Archive library book catalog, covers, authors, and ISBNs

Search and access full metadata for millions of published books, authors, ISBNs, and reviews.

Project Gutenberg public domain e-book search and metadata catalog

Preprint scientific research repository across physics, CS, and math

AI-powered scientific research platform providing academic papers, citations, and author graphs.

Biomedical literature, clinical citations, and MEDLINE research articles

Open catalog of global scholarly papers, authors, citations, and institutions

Community-driven trivia and multiple-choice quiz questions database

Classical poetry database with complete stanzas, sonnets, and poet bios

Complete scripture texts, verses, and chapters across multiple language translations

Al-Quran holy book verses, surahs, audio recitations, and multilingual translations

Open-source multilingual grammar, style, and spell checking REST API supporting 30+ languages.

State-of-the-art neural machine translation API for high-accuracy text and document translation.

Fun dialect translations: Yoda, Pirate, Minion, Shakespeare, and Elvish

Collegiate dictionary definitions, thesaurus synonyms, and word audio

This API provides free, keyless access to valuable data regarding the return on investment (ROI) for U.S. colleges and various majors.

This API provides JSON endpoints for accessing an extensive kanji dictionary with information on over 13,000 kanji. Users can retrieve data such as readings, meanings, and stroke counts to facilitate learning and application of kanji in various projects.

Designed to handle your HTTP requests 24/7 for free, supporting various methods like GET, POST, PUT, DELETE, and PATCH. It is ideal for demo projects, testing, learning, or educational purposes, providing a reliable backend to store and retrieve data.