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Open Library

Search millions of books from the Internet Archive Open Library. Returns title, author, and publication year. Free, no key required.

Healthy

Knowledge & EducationNo upstream key required

Base URL

https://api.apiclearinghouse.com/v1/call/open-library

Authenticate with X-Api-Key: chk_live_... header.

GET/search

Name	Type	Required	Description
q	string	required	Book search query (title, author, ISBN)
limit	number	optional	Max results (1-20)(default: 10)

curl -s "https://api.apiclearinghouse.com/v1/call/open-library/search?q={q}&limit=10" \
  -H "X-Api-Key: YOUR_API_KEY"

{
  "status": "success",
  "data": {
    "books": "example",
    "total": "example"
  }
}

No setup required. Sign in and run Open Library directly from your browser.

Free10/min

Pro100/min

Elite500/min

Monthly limits also apply per plan.

Pass your API key in the request header:

X-Api-Key: chk_live_...