KDP Intelligence API alternatives

KDP niche demand scores, competition analysis and revenue estimates. If it doesn't fit your project, here are the 10 best free Books APIs to use instead in 2026, out of 25 in the directory.

For reference, KDP Intelligence API: No API key needed · Callable from the browser (CORS) · HTTPS.

1. 1

   Greenlit Books API

   Online · 1178 ms

   Catalog of practical AI books with search, series, glossary and a claim ledger.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
2. 2

   PoetryDB API

   Online · 623 ms

   Enables you to get instant data from our vast poetry collection.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
3. 3R

   Runyankole Bible API

   Online · 1069 ms

   Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
4. 4T

   Thirukkural API

   Online · 814 ms

   1330 Thirukkural poems and explanation in Tamil and English.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
5. 5

   Wizard World API

   Online · 1084 ms

   Get information from the Harry Potter universe.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
6. 6

   BookRank API

   Online · 1311 ms

   Book rankings from open reader ratings: books, series, reading orders and authors.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
7. 7

   Penguin Publishing API

   Online · 2410 ms

   Books, book covers and related data.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
8. 8

   Quran API

   Online · 2855 ms

   RESTful Quran API with multiple languages.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
9. 9

   Quran Cloud API

   Online · 1880 ms

   A RESTful Quran API to retrieve an Ayah, Surah, Juz or the entire Holy Quran.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
10. 10

    Quran-api

    Online · 1808 ms

    Free Quran API Service with 90+ different languages and 400+ translations.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS

    No authHTTPSCORS

KDP Intelligence API vs alternatives

KDP Intelligence API compared with its alternatives

API	API key	HTTPS	CORS	Uptime	Response	Rating
KDP Intelligence	No	Yes	Yes	Up	1181 ms	Not rated
Greenlit Books	No	Yes	Yes	Up	1178 ms	Not rated
PoetryDB	No	Yes	Yes	Up	623 ms	Not rated
RRunyankole Bible	No	Yes	Yes	Up	1069 ms	Not rated
TThirukkural	No	Yes	Yes	Up	814 ms	Not rated
Wizard World	No	Yes	Yes	Up	1084 ms	Not rated
BookRank	No	Yes	Yes	Up	1311 ms	Not rated
Penguin Publishing	No	Yes	Yes	Up	2410 ms	Not rated
Quran	No	Yes	Yes	Up	2855 ms	Not rated

See also: best Books APIs · all Books APIs