KDP categories · Top KDP authors
APIs & Operating Environments: Amazon KDP category data
Amazon Books Best Sellers data for APIs & Operating Environments, updated Nov 3, 2026: median price $31.09, median 36 reviews, average rating 4.5 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $20.00 – $44.11 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 5% of the parent category Programming (735), one of the easier corners under it.
- At $31.09 its median price beats 90% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $20.00 to $44.11, so budget editions and premium or boxed sets sell side by side.
Top 10 APIs & Operating Environments best sellers
-
Code: The Hidden Language of Computer Hardware and Software
by Charles Petzold
- List rank#1
- Price$32.58
- Rating4.8
- Reviews1,085
-
Operating Systems: Three Easy Pieces
by Remzi H Arpaci-Dusseau
- List rank#2
- Price$28.27
- Rating4.6
- Reviews732
-
The Claude Code Operating Model: Build scalable AI coding systems with Skills, MCP, Hooks, agent orchestration, and SDK patterns
by Jia Huang
- List rank#3
- Price$34.19
- Rating4.7
- Reviews13
-
Linux for Beginners: A Practical and Comprehensive Guide to Learn Linux Operating System and Master Linux Command Line. Contains Self-Evaluation Tests to Verify Your Learning Level
by Ethem Mining
- List rank#4
- Price$17.47
- Rating4.3
- Reviews600
-
Linux for Absolute Beginners: An Introduction to the Linux Operating System, Including Commands, Editors, and Shell Programming
by Andrew Warner
- List rank#5
- Price$4.99
- Rating4.2
- Reviews131
-
The Linux Programming Interface: A Linux and UNIX System Programming Handbook
by Michael Kerrisk
- List rank#6
- Price$99.99
- Rating4.8
- Reviews790
-
Linux Kernel Programming: A comprehensive and practical guide to kernel internals, writing modules, and kernel synchronization
by Kaiwan N. Billimoria
- List rank#7
- Price$29.99
- Rating4.5
- Reviews65
-
Linux for Beginners: An Introduction to the Linux Operating System and Command Line
by Jason Cannon
- List rank#8
- Price$2.99
- Rating4.5
- Reviews1,404
-
The Most Complete Claude AI Book: The Beginner-Friendly System to Delegate Real Work, Build Reliable Workflows, Save Time, and Get Better Results with Claude
by Evan Karter
- List rank#9
- Price$19.99
- Rating4.6
- Reviews53
-
Advanced Programming in the UNIX Environment, 3rd Edition
by W. Stevens
- List rank#10
- Price$70.25
- Rating4.7
- Reviews267
Subcategories
FAQ
Is APIs & Operating Environments a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 36 reviews and sells for $31.09.
How many reviews do you need to rank in APIs & Operating Environments?
The median best seller has 36 reviews, and 71% of them have fewer than 100.
What do APIs & Operating Environments best sellers cost?
The median price is $31.09; half of the best sellers are priced between $20.00 and $44.11.
Can new books break into APIs & Operating Environments?
13% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.