KONTESTS

API

Free API for upcoming and ongoing competitive coding contests

Overview

The KONTESTS API offers RESTful endpoints to fetch real-time data on upcoming and ongoing competitive coding contests from 20+ platforms (Codeforces, AtCoder, LeetCode, etc.). It returns JSON-formatted responses with details like contest name, platform, start/end timestamps, duration, and registration links. Key endpoints include /all (list all contests) and platform-specific paths (e.g., /codeforces). Ideal for building contest trackers, reminder apps, or community portals to help programmers stay updated and plan participation efficiently.

Example Integration (JavaScript)

script.js JS


fetch('https://kontests.net/api')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON Response Format
No Authentication Required
20+ Coding Platforms Coverage
Real-Time Contest Data
Platform-Specific Endpoints

Frequently Asked Questions

? Is KONTESTS API free to use?

Yes, the KONTESTS API is completely free for personal and non-commercial use with no subscription or payment required.

? Does it require an API Key?

No, the KONTESTS API does not need any API key or authentication to access its endpoints.

? What is the response format?

All responses from the KONTESTS API are in JSON format, which is lightweight and easy to integrate into various applications.

Top Alternatives

Tool Info

Pricing Free

Category Programming

Platform Public API

Pros

⊕ Zero Cost Access
⊕ Wide Platform Coverage
⊕ Simple Endpoint Structure
⊕ Easy-to-Parse JSON Responses
⊕ Regularly Updated Contest Listings

Cons

⊖ Potential Rate Limiting
⊖ No Service Level Agreement (SLA)
⊖ Lack of Historical Contest Data
⊖ Limited Advanced Filtering Options