Free APIs › Books, Words & Learning › Open Library
No keyCORS ✓B · 84

Open Library

Search millions of books, authors and covers from the Internet Archive's open catalog.

StatusLive · verified 23 Oct 2026 · 1138 ms
AuthenticationNone — call it right now
Browser CORSYes — works from front-end code
Free limitsFree, fair use
Official docs ↗ ▶ Open the playground

▶ Live playground

This runs in your browser, straight against the real API. Edit the URL and experiment — break nothing, learn everything.

Press Run to call Open Library live.

📸 Real response, captured by us

Not a mockup — this is what Open Library actually returned when we verified it on 23 Oct 2026 (in 1138 ms).

{
  "numFound": 461,
  "start": 0,
  "numFoundExact": true,
  "num_found": 461,
  "documentation_url": "https://openlibrary.org/dev/docs/api/search",
  "q": "the hobbit",
  "offset": null,
  "docs": [
    {
      "author_name": [
        "J.R.R. Tolkien"
      ],
      "first_publish_year": 1937,
      "title": "The Hobbit"
    }
  ]
}

💻 Copy-paste code

Three ways to call Open Library — pick your weapon.

// Open Library — no build step, no library. Just fetch.
const res = await fetch("https://openlibrary.org/search.json?q=the+hobbit&limit=1&fields=title,author_name,first_publish_year");
const data = await res.json();
console.log(data);

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📜 Full check history & uptime · Status as JSON · Health score: B · 84/100

🔔 Watch this API — a quiet feed that only speaks the week its status changes (down, recovered, reclassified). How it works

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Done