Open Library Search API

Name: Open Library Search API
Availability: InStock

Search millions of books and covers

🔑 Auth: None 🔒 HTTPS: Yes 🌐 CORS: Enabled View Documentation

Live Technical Metrics

Pre-calculated · updated every 20 min

Server-measured technical metrics for the Open Library Search API
Uptime Status	⬜ Unknown — not yet probed
Server Latency	N/A
Hosting Server	Not disclosed
Content-Type	Not disclosed
Cache-Control	Not set
CORS Support	✅ Enabled — safe for browser fetch()
Authentication	✅ None required — call the API directly without a key
Category	Books

Endpoint:: https://openlibrary.org/search.json

Quick Integration Code

✅ No API key needed

fetch("https://openlibrary.org/search.json")
  .then(response => {
    if (!response.ok) throw new Error(`HTTP ${response.status}`);
    return response.json();
  })
  .then(data => console.log(data))
  .catch(error => console.error("Request failed:", error));

import requests

url = "https://openlibrary.org/search.json"
headers = {
    "Accept": "application/json",
    # "Authorization": "Bearer YOUR_TOKEN_HERE",
}

response = requests.get(url, headers=headers, timeout=10)
response.raise_for_status()
data = response.json()
print(data)

curl -X GET "https://openlibrary.org/search.json" \
  -H "Accept: application/json" \
  -H "User-Agent: MyApp/1.0" \
  --max-time 10 \
  --silent | python3 -m json.tool

Sample JSON Response — Books

Books

{
  "numFound": 1,
  "start": 0,
  "docs": [
    {
      "key": "/works/OL82563W",
      "title": "The Great Gatsby",
      "author_name": [
        "F. Scott Fitzgerald"
      ],
      "first_publish_year": 1925,
      "isbn": [
        "9780743273565"
      ],
      "subject": [
        "Fiction",
        "American literature"
      ],
      "language": [
        "eng"
      ]
    }
  ]
}