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Free Books & Words APIs

Books, dictionaries and language data with stable, well-documented schemas. 23 of 23 on our probe schedule · 14 probed.

23In catalog14Probed by us0Healthy now0Degraded / dying—Median P50NaN%Median uptime · 30d
Bhagavad Gita teluguBooks & WordsBhagavad Gita verses in Telugu, Odia, English, and SpanishUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoBible-apiBooks & WordsFetch Bible verses as clean JSON, no key requiredUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoKDP IntelligenceBooks & WordsKindle niche demand and competition scores via APIUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoPoetryDBBooks & WordsA public-domain poetry database you can query as JSONUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoQuranBooks & WordsThe Quran.com API: chapters, verses and translationsUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoQuran CloudBooks & WordsRetrieve any Ayah, Surah or Juz of the Quran as JSONUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoQuran-apiBooks & WordsQuran text in 90+ languages, served free from a CDNUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoUrantia PapersBooks & WordsFull-text and semantic search over the Urantia PapersUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoWizard WorldBooks & WordsSpells, elixirs and houses from the Harry Potter worldUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none2h agoWiktionaryBooks & WordsQuery the crowd-built dictionary through MediaWiki's action APIUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none1h agoCrossref Metadata SearchBooks & WordsScholarly metadata for tens of millions of DOIsUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none58 min agoGutendexBooks & WordsJSON search over the Project Gutenberg libraryUNMONITOREDauth noneBooks & WordsUNMONITORED—%—none58 min agoFree DictionaryBooks & WordsEnglish word definitions, phonetics and audio as JSON.UNMONITOREDauth noneBooks & WordsUNMONITORED—%—none42 min agoChinese Text ProjectBooks & WordsFull text of classical Chinese works, as JSON.UNMONITOREDauth noneBooks & WordsUNMONITORED—%—none42 min agoWolne LekturyBooks & WordsPolish free-library books, authors and epochs as JSONUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowRig VedaBooks & WordsStructured metadata for the hymns of the Rig VedaUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowRandom Word APIBooks & WordsRandom English wordsUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowKanji APIBooks & WordsKanji readings, strokes and meaningsUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowHoly Bible APIBooks & WordsHoly Bible API — Free Bible API serving 800+ text translations and 40+ a…UNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowHindi QuotesBooks & WordsRandom Hindi quotesUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowAmanah SunnahBooks & WordsAmanah Sunnah — free tier with API keyUNMONITOREDauth apiKeyBooks & WordsUNMONITORED—%—apiKeyjust nowMyMemoryBooks & WordsFree machine translation lookupUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust nowRhymeBrainBooks & WordsRhyme lookup for any wordUNMONITOREDauth noneBooks & WordsUNMONITORED—%—nonejust now
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Free Books & Words APIs — FAQ

Are there free Books & Words APIs with no API key?

Yes — 22 of the 23 free books & words APIs we list need no API key or signup (Bhagavad Gita telugu is a good starting point). Use the "No key" filter above to see them; they're the fastest to prototype with.

Which free Books & Words API is the most reliable?

Of the 14 books & words APIs on our probe schedule, Bhagavad Gita telugu leads on measured uptime (—% over 90 days). Reliability here is verified from our own scheduled checks, not the provider's claims — sort by "Reliable" to rank the rest.

Can I call these Books & Words APIs from the browser?

20 of these books & words APIs send CORS headers over HTTPS, so you can fetch them straight from front-end code — no backend proxy. Filter by "Browser OK" to see them; the rest need a server-side call.

Are these free Books & Words APIs OK for commercial use?

2 of the 23 books & words APIs allow commercial use on the free tier; the rest are unclear or personal-only. We record service terms and the data license as separate fields on every listing — check both before you ship.

How often are these Books & Words APIs checked?

23 of the 23 books & words APIs are on our probe schedule and re-tested every sweep. We log uptime, latency and response-shape changes on each, and move any that stay down to the graveyard so you can see what died and when.