Education & ScienceKey RequiredFeatured

Google Books APIFree REST Service

Search and access full metadata for millions of published books, authors, ISBNs, and reviews.

API Docs

Developer Workbench & Live ConsoleKey Required

Test real endpoints directly, inspect live JSON, or copy implementation code.

GET
curl -X GET "https://developers.google.com/books/" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"
ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit
1000 req/day
Auth Mode
Key Required
Security & CORS
HTTPS • CORS Ready
Protocol
REST / JSON

An external API key is required to authenticate requests with Google Books API. Allowance: 1000 req/day.

Get API Key ↗
COMPANION DEVELOPER TOOL0ms Client Sandbox

Text Readability & Content Metrics Analyzer

Calculate Flesch Reading Ease, Grade Level, Gunning Fog index, syllable counts, and reading durations in real time.

Launch Tool
Interactive Web Tool Available

Test and interact with this service in your browser using our Text Readability & Content Metrics Analyzer tool.

Open Live Tool

Frequently Asked Questions (FAQ)

Technical and integration answers for Google Books API.

Yes, Google Books API is listed as a free endpoint on FreeAPI Directory with an allowance of: 1000 req/day.
Official Service Provider Ownership: Google Books API

All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.

DMCA / Takedown Request

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