
Domains Monitor
zonefiles.io
Newly Registered Domains Lists
AllZonefiles.io
Domain-Monitor.io
DomainTools
WhoisXML API
Daily updated lists of registered domain names, downloadable domain datasets. WHOIS and Reverse-DNS datasets.

Codecademy
Exercism
LeetCode
Treehouse
edX
Coursera
Udemy
Achieve code mastery through challenge.

Which is more popular?
Based on our record, Codewars seems to be more popular. It has been mentioned 160 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | netapi.com | codewars.com |
| Pricing | ||
| Company | Startup from Cyprus | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Lists of 400M+ classic and country domains, WHOIS data, and reverse DNS lookup. Lists of newly registered and expired domains. Daily updated domain datasets. Accessible manually or via a simple API.
No description of Codewars yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.
Walkthroughs and reviews on video.
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Codewars Review & Tips
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing NetAPI and Codewars.
NetAPI's answer
We monitor 400mln+ domain names in 1,390 domain zones (including country codes), and our datasets are updated daily.
NetAPI's answer
World-biggest domain database and robust API
Share your experience with using NetAPI and Codewars. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of NetAPI yet. Be the first one to post
Edabit offers a learning experience similar to learning a new language, focusing on smaller and more frequent exercises that build proficiency over time. Like Codewars, Edabit provides many challenges that increase in...
In conclusion, while Leetcode remains a valuable resource for coders, the platforms listed above offer varied approaches to learning and improving coding skills. Whether you're drawn to the gamified learning...
This LeetCode alternative has excellent features for anyone looking to sharpen their coding skills. Codewars uses kata, which are small coding exercises that are community developed to help you master your language of...
Recommendations tracked on public social media and blogs since March 2021.


Tracking NetAPI since Dec 2025.
Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago
When comparing NetAPI and Codewars, you can also consider the following products.

List of all active domains in all zones. Registered domains database with daily updates, contact details and powerful API. ccTLD and gTLD zones with contacts and details.
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Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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List of registered domain names updated daily
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Download and solve practice problems in over 30 different languages.
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Domain Index’s Newly Registered Domains List is an extensive daily compilation of newly registered domain names as they appear in the Domain Name System (DNS).
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Practice and level up your development skills and prepare for technical interviews.
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