/API TERMS
API Terms/Media & Content/Open Library

Open Library

openlibrary.org

Provides programmatic access to Open Library's book, author, cover, and catalog data through web APIs and bulk data dumps.

The Open Library API has free pricing; offers a free tier (Free, public, low-volume Web APIs and monthly bulk data dumps); rate limits: Described as "low-volume" Web APIs intended for infrequent, real-time searches; bulk import should use data dumps. Verified 2026-07-12 with per-field source links.

Media & Content Verified 2026-07-12 low confidence
Base URL
https://openlibrary.org
openlibrary.org ↗
Auth
not documented null
no source
Free tier
Free, public, low-volume Web APIs and monthly bulk data dumps
openlibrary.org ↗
Pricing model
free
openlibrary.org ↗
Pricing
Free, public APIs; Open Library is an initiative of the non-profit Internet Archive
openlibrary.org ↗
Rate limits
Described as "low-volume" Web APIs intended for infrequent, real-time searches; bulk import should use data dumps
openlibrary.org ↗
OpenAPI spec
not documented null
no source
MCP server
not documented null
no source