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Google Books

Books & Learning Free key (no card)

AuthenticationFree key (no card)
Rate limitFree keys commonly get about 1,000 requests per day.

Documentation: developers.google.com ยท Checked Sep 13, 2026

About

The Google Books API lets you search Google's massive book index by title, author, or ISBN. You get back covers, descriptions, page counts, categories, and links to previews or full text where available. Public search data uses a free API key, and no login is needed for basic book lookups.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Free keys commonly get about 1,000 requests per day.

Verified: 2026-09-13

Best for: personal developer fun

Read the docs Back to catalog

Setup

  1. Create a free project in the Google Cloud Console and enable the Books API.
  2. Create an API key under Credentials and copy it.
  3. Paste the example URL with your key to search books instantly.
  4. Add filters like intitle: or inauthor: to sharpen searches.
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