Open Library

Books · Operational · 30d uptime 93.85%
Homepage

Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.

Trust signals

Pricing
FREE
Auth
NONE
CORS
No
Rate limit
Unknown
Health
990ms
Trust score
82 (B)

Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 93.85%

Strong candidate; weakest signal is CORS.

Links

Integration checklist

  • Auth is NONE
  • No CORS — route calls through your backend.
  • Rate limit: Unknown
More books APIs
Open Library API — pricing, auth, CORS & health | Reqistry