API archive entry · source-reported
Google Books
Books
Other Books APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
Bhagavad Gita
Bhagavad Gita text
OAuth · HTTPS reported · CORS Yes
Ganjoor
Classic Persian poetry works including access to related manuscripts, recitations and music tracks
OAuth · HTTPS reported · CORS Yes
Crossref Metadata Search
Books & Articles Metadata
No auth · HTTPS reported · CORS Unknown
GurbaniNow
Fast and Accurate Gurbani RESTful API
No auth · HTTPS reported · CORS Unknown
Gutendex
Web-API for fetching data from Project Gutenberg Books Library
No auth · HTTPS reported · CORS Unknown
The Bible
Everything you need from the Bible in one discoverable place
API key · HTTPS reported · CORS Unknown
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.