Codewars

Spec sheet

Purpose

Codewars helps people improve coding skills by practicing community-created programming exercises called kata.Read 8 Oct 2026 · codewars.com

API

Codewars API v1 exposes public JSON endpoints without authentication for user, completed challenge, authored challenge, and kata information.Read 8 Oct 2026 · dev.codewars.com

Integrations

The privacy policy says users may sign in through a third party such as GitHub, which can transmit account content or information to Codewars.Read 8 Oct 2026 · codewars.com

Security

Codewars says it uses physical, technical, organizational, and administrative security measures appropriate to the personal data and its processing, while noting no internet transmission or storage method is completely secure.Read 8 Oct 2026 · codewars.com

Support

The About page lists [email protected] as a contact address.Read 8 Oct 2026 · codewars.com

Company

The Terms of Use identify Andela Inc. as the owner and operator of Codewars and its services.Read 8 Oct 2026 · codewars.com

Age eligibility

The Terms of Use say the services are available only to individuals at least 16 years old.Read 8 Oct 2026 · codewars.com

API limitation

The API documentation describes v1 as minimal and inconsistent, says it was never actively developed, and says v2 is planned without an ETA.Read 8 Oct 2026 · dev.codewars.com

Authoring

Users can create kata focused on particular interests and skill sets, including interview questions.Read 8 Oct 2026 · codewars.com

Community

Users author kata, share solutions, and comment with constructive feedback.Read 8 Oct 2026 · codewars.com

Compare solutions

After completing a kata, users can compare their solution with others and discuss approaches with the community.Read 8 Oct 2026 · codewars.com

Freestyle sparring

The About page lists Freestyle Sparring, where users take turns remixing and refactoring others' code through Kumite.Read 8 Oct 2026 · codewars.com

In browser

Users can solve kata in the browser and use test cases to check their work as they progress.Read 8 Oct 2026 · codewars.com

In-browser practice

Users can solve kata in the browser and use test cases to check their work as they progress.Read 8 Oct 2026 · codewars.com

Kata practice

Users practice with community crafted coding exercises called kata, intended to strengthen different coding techniques.Read 8 Oct 2026 · codewars.com

Languages

The site says it supports more than 55 programming languages.Read 8 Oct 2026 · codewars.com

Owner

Codewars' privacy policy says the service is owned and operated by Andela Inc.Read 8 Oct 2026 · wf.codewars.com

Peer learning

After solving a kata, users can compare their answer with other users and learn from their approaches.Read 8 Oct 2026 · docs.codewars.com

Ranks

Kata are ranked from beginner to expert, and completing higher ranked kata advances a user's profile level.Read 8 Oct 2026 · codewars.com

Training modes

The docs describe learning through increasingly difficult challenges, repetition, solution improvement, and comparisons with other users.Read 8 Oct 2026 · docs.codewars.com

Webhook limitation

The documentation says webhooks were never actively developed, are poorly documented, and are not very usable at the moment.Read 8 Oct 2026 · dev.codewars.com

Webhooks limitation

The API documentation says webhooks were never actively developed, are poorly documented, and are not very usable at the moment.Read 8 Oct 2026 · dev.codewars.com

Plans and prices

Every Codewars plan and price →

Where Specifiction places it

• Coding Learning Software#9 of 428.3
• Coding Challenge Platforms#7 of 308.2